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NEBC: 00758190 [bad data, blank import] USA: Maine Marshfield: Marshfield C. H. Knowlton 1908-7-13
NEBC: 00758191 [bad data, blank import] USA: Maine Marshfield: Marshfield C. H. Knowlton 1908-7-13
NEBC: 00647627 [bad data, blank import] USA: New Hampshire Lempster: Lempster C. H. Knowlton 1918-7-15
NEBC: 00742615 [bad data, blank import] USA: Massachusetts Weymouth: Weymouth C. H. Knowlton 1942-7-5
NEBC: 00742616 [bad data, blank import] USA: Massachusetts Weymouth Town C. H. Knowlton 1942-7-5
NEBC: 00661556 [bad data, blank import] USA: Vermont East Cambridge C. H. Knowlton 1939-9-21
NEBC: 00738467 [bad data, blank import] USA: Maine Calais: Calais C. H. Knowlton 1940-8-1
NEBC: 00738468 [bad data, blank import] USA: Maine Whiting: Whiting C. H. Knowlton 1932-8-2
NEBC: 00740726 [bad data, blank import] USA: Maine East Central Franklin C. H. Knowlton 1908-7-6
NEBC: 00740733 [bad data, blank import] USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1932-8-1
NEBC: 00740734 [bad data, blank import] USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1908-7-11
NEBC: 00740766 [bad data, blank import] USA: Vermont Sutton: Sutton C. H. Knowlton 1932-5-20
NEBC: 00740770 [bad data, blank import] USA: Vermont Orange: Orange C. H. Knowlton 1932-5-17
NEBC: 00740771 [bad data, blank import] USA: Vermont Brandon: Brandon C. H. Knowlton 1912-5-26
NEBC: 00740772 [bad data, blank import] USA: Vermont Brandon: Brandon C. H. Knowlton 1912-5-26
NEBC: 00740780 [bad data, blank import] USA: Massachusetts Florida: Florida C. H. Knowlton 1925-5-19
NEBC: 00740809 [bad data, blank import] USA: Vermont Burlington: Burlington C. H. Knowlton 1914-5-24
NEBC: 00740948 [bad data, blank import] USA: Massachusetts Barnstable Town C. H. Knowlton 1913-7-9
NEBC: 01021399 [bad data, blank import] USA: New Hampshire Durham: Durham C. H. Knowlton 1918-9-8
NEBC: 01021428 [bad data, blank import] USA: Massachusetts Carver: Carver C. H. Knowlton 1925-9-9
NEBC: 01021433 [bad data, blank import] USA: Massachusetts Wareham: Wareham C. H. Knowlton 1925-9-18
NEBC: 01021436 [bad data, blank import] USA: Massachusetts Falmouth: Falmouth C. H. Knowlton 1925-9-29
NEBC: 01021438 [bad data, blank import] USA: Massachusetts Grafton: Grafton C. H. Knowlton 1921-9-22
NEBC: 01021382 [bad data, blank import] USA: Vermont Shelburne: Shelburne C. H. Knowlton 1922-8-13
NEBC: 01021465 [bad data, blank import] USA: Massachusetts Canton: Canton C. H. Knowlton 1908-9-19
NEBC: 01079337 [bad data, blank import] USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
NEBC: 01079360 [bad data, blank import] USA: Massachusetts Cheshire: Cheshire C. H. Knowlton 1915-9-5
NEBC: 00832761 [bad data, blank import] USA: Vermont Hartland: Hartland C. H. Knowlton 1918-7-7
NEBC: 01077008 [bad data, blank import] USA: Maine Addison: Addison C. H. Knowlton 1932-8-5
NEBC: 01065038 [bad data, blank import] USA: Vermont Swanton: Swanton C. H. Knowlton 1935-9-26
NEBC: 01065081 [bad data, blank import] USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-21
NEBC: 01065087 [bad data, blank import] USA: Maine East Machias: East Machias C. H. Knowlton 1929-9-5
NEBC: 01161924 [bad data, blank import] USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1908-8-30
NEBC: 01161925 [bad data, blank import] USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1908-8-30
NEBC: 01058950 [bad data, blank import] USA: Maine East Livermore C. H. Knowlton 1914-8-4
NEBC: 00436734 Buellia disciformis (Fries) Mudd USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1911-4-16
NEBC: 00436592 Dibaeis baeomyces (Linnaeus f.) Rambold & Hertel USA: New Hampshire Dublin: [data not captured] C. H. Knowlton 1913-4-19
NEBC: 00436610 Dibaeis baeomyces (Linnaeus f.) Rambold & Hertel USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1911-4-30
NEBC: 00446178 Lepra ophthalmiza (Nylander) Hafellner USA: Maine [data not captured] C. H. Knowlton 1911-8-5
NEBC: 00436907 Lepraria membranacea (Dickson) Vainio USA: Maine [data not captured] C. H. Knowlton 1911-8-6
NEBC: 00436848 Lobaria pulmonaria (Linnaeus) Hoffmann USA: Maine [data not captured] C. H. Knowlton 1911-8-6
NEBC: 00446981 Lobaria quercizans Michaux USA: New Hampshire Mt. Monadnock: [no additional data] C. H. Knowlton 1913-4-19
NEBC: 00436881 Lobaria scrobiculata (Scopoli) G. Gaertner USA: Maine [data not captured] C. H. Knowlton 1911-8-5
NEBC: 00446806 Mycoblastus affinis (Schaerer) T. Schauer USA: Maine [data not captured] C. H. Knowlton 1911-8-5
NEBC: 00446068 Peltigera aphthosa (Linnaeus) Willdenow USA: Maine [data not captured] C. H. Knowlton 1911-8-6
NEBC: 00446162 Phaeophyscia pusilloides (Zahlbruckner) Esslinger USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1911-4-16
NEBC: 00446163 Phaeophyscia rubropulchra (Degelius) Moberg USA: Massachusetts Granville: [no additional data] C. H. Knowlton 1911-4-19
NEBC: 00446233 Physcia adscendens (Fries) H. Olivier USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1911-4-16
NEBC: 00446191 Physcia millegrana Degelius USA: Massachusetts Granville: [no additional data] C. H. Knowlton 1911-4-19
NEBC: 00446192 Physcia millegrana Degelius USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1911-4-30
NEBC: 00446372 Physcia stellaris (Linnaeus) Nylander USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1911-4-16
FH: 00473738 Platismatia stenophylla (Tuckerman) W. L. Culberson & C. F. Culberson USA: Maine Roque Bluff C. H. Knowlton 1911-8-5
NEBC: 00446449 Platismatia tuckermanii (Oakes) W. L. Culberson & C. F. Culberson USA: Maine [data not captured] C. H. Knowlton 1911-8-5
FH: 00473738 Platismatia tuckermanii (Oakes) W. L. Culberson & C. F. Culberson USA: Maine Roque Bluff C. H. Knowlton 1911-8-5
NEBC: 00446544 Punctelia rudecta (Acharius) Krog USA: Massachusetts Granville: [no additional data] C. H. Knowlton 1911-4-19
NEBC: 00446630 Umbilicaria mammulata (Acharius) Tuckerman USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1911-4-16
NEBC: 00446703 Xanthoria elegans (Link) Th. Fries USA: Maine Machiasport: [data not captured] C. H. Knowlton 1911-8-9
NEBC: 00446772 Xanthoria parietina (Linnaeus) Th. Fries USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1911-4-16
Aceraceae
GH: 01870769 Acer glabrum Torrey USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
GH: 01870862 Acer glabrum Torrey USA: Montana Glacier National Park; St. Mary's C. H. Knowlton 1926-8-31
NEBC: 00752810 Acer negundo Linnaeus USA: Vermont Montpelier: Montpelier C. H. Knowlton 1942-7-19
NEBC: 00752812 Acer negundo Linnaeus USA: Vermont Hartford: Hartford C. H. Knowlton 1935-5-10
NEBC: 00752813 Acer negundo Linnaeus USA: Vermont Hartland: Hartland C. H. Knowlton 1921-5-8
NEBC: 00772470 Acer negundo Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1900
NEBC: 00772471 Acer negundo Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1899-9-9
GH: 01791835 Acer negundo Linnaeus USA: North Carolina Charlotte: [no additional data] C. H. Knowlton 1924-4-26
GH: 01791952 Acer negundo Linnaeus USA: Virginia near Potomac River C. H. Knowlton 1920-6-27
GH: 01792551 Acer pensylvanicum Linnaeus Canada: New Brunswick Stony Creek C. H. Knowlton 1925-7-31
NEBC: 00677015 Acer pensylvanicum Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1940-6-27
NEBC: 00677016 Acer pensylvanicum Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1895-5-23
NEBC: 00677030 Acer pensylvanicum Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00677031 Acer pensylvanicum Linnaeus USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00677032 Acer pensylvanicum Linnaeus USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00677033 Acer pensylvanicum Linnaeus USA: Maine Baileyville: Baileyville C. H. Knowlton 1940-8-5
NEBC: 00677034 Acer pensylvanicum Linnaeus USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1924-8-22
NEBC: 00677035 Acer pensylvanicum Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1919-8-3
NEBC: 00677044 Acer pensylvanicum Linnaeus USA: Maine Prospect: Prospect C. H. Knowlton 1940-7-25
NEBC: 00772576 Acer pensylvanicum Linnaeus USA: New Hampshire Claremont: Claremont C. H. Knowlton 1918-5-17
NEBC: 00772618 Acer pensylvanicum Linnaeus USA: Vermont Burlington: Burlington C. H. Knowlton 1914-5-24
NEBC: 00772620 Acer pensylvanicum Linnaeus USA: Vermont Colchester: Colchester C. H. Knowlton 1932-7-13
GH: 00772646 Acer pensylvanicum Linnaeus USA: Massachusetts Andover: Andover C. H. Knowlton 1903-5-9
NEBC: 00772647 Acer pensylvanicum Linnaeus USA: Massachusetts Andover: Andover C. H. Knowlton 1903-5-9
NEBC: 00772659 Acer pensylvanicum Linnaeus USA: Massachusetts Ashby: Ashby C. H. Knowlton 1914-5-30
NEBC: 00772781 Acer pensylvanicum Linnaeus USA: Massachusetts Colrain: Colrain C. H. Knowlton 1911-6-11
NEBC: 00772864 Acer rubrum Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1891
NEBC: 00772871 Acer rubrum Linnaeus USA: Maine Beddington: Beddington C. H. Knowlton 1927-8-25
NEBC: 00677096 Acer rubrum Linnaeus USA: Massachusetts Acton: Acton C. H. Knowlton 1931-9-16
NEBC: 00677127 Acer rubrum Linnaeus USA: Massachusetts Waltham: Waltham C. H. Knowlton 1907-4-27
NEBC: 00677159 Acer rubrum Linnaeus USA: Massachusetts Rockland: Rockland C. H. Knowlton 1941-5-11
NEBC: 00677160 Acer rubrum Linnaeus USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1918-6-24
NEBC: 00677222 Acer rubrum Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00677465 Acer rubrum Linnaeus USA: Rhode Island Cumberland: Cumberland C. H. Knowlton 1911-5-30
NEBC: 00677468 Acer rubrum Linnaeus USA: Rhode Island Kingston C. H. Knowlton 1945-6-29
GH: 01793214 Acer rubrum Linnaeus USA: North Carolina Charlotte: [no additional data] C. H. Knowlton 1924-4-26
GH: 01793386 Acer rubrum Linnaeus USA: Virginia by Potomac River. C. H. Knowlton 1920-6-27
NEBC: 00752902 Acer saccharinum Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
GH: 00752903 Acer saccharinum Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1895-5-26
NEBC: 00677710 Acer saccharinum Linnaeus USA: Vermont Coventry: Coventry C. H. Knowlton 1940-6-4
NEBC: 00677711 Acer saccharinum Linnaeus USA: Vermont Newport C. H. Knowlton 1913-6-7
NEBC: 00677747 Acer saccharinum Linnaeus USA: Massachusetts Tewksbury: Tewksbury, Bank of Merrimac River C. H. Knowlton 1903-6-20
NEBC: 00663320 Acer saccharum Marshall USA: Massachusetts Sunderland: Sunderland.Mt. Toby C. H. Knowlton 1909-5-23
NEBC: 00677843 Acer saccharum Marshall USA: Maine T10 C. H. Knowlton 1919-7-26
NEBC: 00677849 Acer saccharum Marshall USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-17
NEBC: 00677850 Acer saccharum Marshall USA: Maine T14 C. H. Knowlton 1919-8-9
NEBC: 00663211 Acer saccharum Marshall USA: New Hampshire Lyme: Lyme C. H. Knowlton 1934-5-10
NEBC: 00663241 Acer saccharum Marshall USA: Vermont South Burlington: South Burlington C. H. Knowlton 1912-6-25
NEBC: 00663248 Acer saccharum Marshall USA: Vermont Manchester (Duplicate): Manchester C. H. Knowlton 1912-5-10
NEBC: 00663262 Acer saccharum Marshall USA: Massachusetts Ashby: Ashby C. H. Knowlton 1914-5-30
NEBC: 00663290 Acer saccharum Marshall USA: Massachusetts Norwell: Norwell C. H. Knowlton 1933-6-4
NEBC: 00752852 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
NEBC: 00772500 Acer saccharum nigrum (Michx. f.) Britton USA: Massachusetts Amherst: Amherst C. H. Knowlton 1934-6-6
GH: 01794775 Acer spicatum Lamarck Canada: New Brunswick Stony Creek C. H. Knowlton 1925-7-31
Adiantaceae
NEBC: 00678025 Cryptogramma stelleri (S. G. Gmelin) Prantl USA: Vermont Eden: Eden C. H. Knowlton 1918-6-9
NEBC: 00678036 Cryptogramma stelleri (S. G. Gmelin) Prantl USA: Vermont Williamstown: Williamstown C. H. Knowlton 1917-6-8
NEBC: 00678071 Cryptogramma stelleri (S. G. Gmelin) Prantl USA: Massachusetts Colrain: Colrain C. H. Knowlton 1911-6-10
GH: 00678073 Cryptogramma stelleri (S. G. Gmelin) Prantl USA: Massachusetts Colrain: Colrain C. H. Knowlton 1911-6-19
NEBC: 00681467 Pellaea atropurpurea (Linnaeus) Link USA: Vermont Cornwall: Cornwall C. H. Knowlton 1930-7-13
NEBC: 00681469 Pellaea atropurpurea (Linnaeus) Link USA: Vermont Shelburne: Shelburne C. H. Knowlton 1914-7-9
NEBC: 00681470 Pellaea atropurpurea (Linnaeus) Link USA: Vermont Burlington: Burlington C. H. Knowlton 1913-6-26
NEBC: 00681483 Pellaea atropurpurea (Linnaeus) Link USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
NEBC: 00681549 Pellaea glabella Mettenius ex Kuhn USA: Vermont Cornwall: Cornwall C. H. Knowlton 1930-7-13
Aizoaceae
NEBC: 00751160 Mollugo verticillata Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1935-8-31
NEBC: 00751161 Mollugo verticillata Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00751217 Mollugo verticillata Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00761301 Mollugo verticillata Linnaeus USA: Massachusetts Framingham: Framingham C. H. Knowlton 1908-7-26
Alismataceae
NEBC: 01032167 Alisma subcordatum Pursh USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1933-8-18
NEBC: 01032168 Alisma subcordatum Pursh USA: Maine Unity: Unity C. H. Knowlton 1940-7-24
NEBC: 01032169 Alisma subcordatum Pursh USA: Maine Eaton C. H. Knowlton 1941-8-5
NEBC: 01032206 Alisma subcordatum Pursh USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 01032207 Alisma subcordatum Pursh USA: Vermont Sudbury: Sudbury C. H. Knowlton 1939-8-23
NEBC: 01032228 Alisma subcordatum Pursh USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-9-17
NEBC: 01032309 Alisma triviale Pursh USA: Maine Farmington: Farmington C. H. Knowlton 1894-8-13
NEBC: 01032312 Alisma triviale Pursh USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01032313 Alisma triviale Pursh USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01032316 Alisma triviale Pursh USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1944-8-5
NEBC: 01032322 Alisma triviale Pursh USA: Maine Newcastle: Newcastle C. H. Knowlton 1932-7-27
NEBC: 01032347 Alisma triviale Pursh USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 01032348 Alisma triviale Pursh USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 01032350 Alisma triviale Pursh USA: Vermont Shelburne: Shelburne C. H. Knowlton 1914-7-9
NEBC: 01032360 Alisma triviale Pursh USA: Vermont Hubbardton: Hubbardton C. H. Knowlton 1947-8-19
NEBC: 01080335 Sagittaria cuneata E. Sheldon USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
NEBC: 01080338 Sagittaria cuneata E. Sheldon USA: Maine Edmunds C. H. Knowlton 1936-7-30
NEBC: 01080339 Sagittaria cuneata E. Sheldon USA: Maine Talmadge: Talmadge C. H. Knowlton 1941-8-6
NEBC: 01080307 Sagittaria cuneata E. Sheldon USA: Vermont Weybridge: Weybridge C. H. Knowlton 1936-7-15
NEBC: 01080314 Sagittaria cuneata E. Sheldon USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 01080319 Sagittaria cuneata E. Sheldon USA: Vermont Alburg C. H. Knowlton 1939-7-16
NEBC: 00306105 Sagittaria engelmanniana J. G. Smith USA: Massachusetts Randolph: [Blue Hills Reservation] Ponkapoag... C. H. Knowlton 1908-8-1
GH: 01080368 Sagittaria engelmanniana J. G. Smith USA: Massachusetts Weymouth Town C. H. Knowlton 1918-9-2
NEBC: 01080376 Sagittaria engelmanniana J. G. Smith USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1911-9-3
NEBC: 01080436 Sagittaria engelmanniana J. G. Smith USA: Massachusetts Uxbridge: Uxbridge C. H. Knowlton 1947-9-13
NEBC: 01080548 Sagittaria graminea Michaux USA: Maine Columbia: Columbia C. H. Knowlton 1939-8-17
NEBC: 01080549 Sagittaria graminea Michaux USA: Maine Edmunds C. H. Knowlton 1928-8-18
NEBC: 01080550 Sagittaria graminea Michaux USA: Maine Machias: Machias C. H. Knowlton 1928-8-14
NEBC: 01080551 Sagittaria graminea Michaux USA: Maine Talmadge: Talmadge C. H. Knowlton 1941-8-6
NEBC: 01080553 Sagittaria graminea Michaux USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1933-8-18
NEBC: 01080565 Sagittaria graminea Michaux USA: Maine Damariscotta: Damariscotta C. H. Knowlton 1932-7-27
NEBC: 01080568 Sagittaria graminea Michaux USA: Maine Mount Vernon: Mount Vernon C. H. Knowlton 1901-8-9
NEBC: 01032452 Sagittaria graminea Michaux USA: Vermont South Burlington: South Burlington C. H. Knowlton 1921-8-3
NEBC: 01032512 Sagittaria graminea Michaux USA: Massachusetts Webster: Webster C. H. Knowlton 1899-8-22
NEBC: 01080601 Sagittaria latifolia Willdenow USA: Maine Van Buren: Van Buren C. H. Knowlton 1915-7-15
NEBC: 01080619 Sagittaria latifolia Willdenow USA: Maine North Anson C. H. Knowlton 1927-8-11
NEBC: 01080622 Sagittaria latifolia Willdenow USA: Maine Embden: Embden C. H. Knowlton 1949-8-15
NEBC: 01080623 Sagittaria latifolia Willdenow USA: Maine Flagstaff C. H. Knowlton 1941-8-13
NEBC: 01032548 Sagittaria latifolia Willdenow USA: Maine Chesterville: Chesterville C. H. Knowlton 1937-7-31
NEBC: 01032550 Sagittaria latifolia Willdenow USA: Maine Farmington: Farmington C. H. Knowlton 1899-8-4
NEBC: 01032551 Sagittaria latifolia Willdenow USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-13
NEBC: 01032552 Sagittaria latifolia Willdenow USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
NEBC: 01080625 Sagittaria latifolia Willdenow USA: Maine Addison: Addison C. H. Knowlton 1924-8-19
NEBC: 01080626 Sagittaria latifolia Willdenow USA: Maine Baileyville: Baileyville C. H. Knowlton 1940-8-5
NEBC: 01080627 Sagittaria latifolia Willdenow USA: Maine Columbia: Columbia C. H. Knowlton 1939-8-17
NEBC: 01080628 Sagittaria latifolia Willdenow USA: Maine Columbia: Columbia C. H. Knowlton 1939-8-17
NEBC: 01080629 Sagittaria latifolia Willdenow USA: Maine Columbia: Columbia C. H. Knowlton 1939-8-17
NEBC: 01080630 Sagittaria latifolia Willdenow USA: Maine Eaton C. H. Knowlton 1941-8-5
NEBC: 01080631 Sagittaria latifolia Willdenow USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01080632 Sagittaria latifolia Willdenow USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01080634 Sagittaria latifolia Willdenow USA: Maine Machias: Machias C. H. Knowlton 1928-8-14
NEBC: 01080637 Sagittaria latifolia Willdenow USA: Maine East Machias: East Machias C. H. Knowlton 1935-8-7
NEBC: 01080638 Sagittaria latifolia Willdenow USA: Maine East Machias: East Machias C. H. Knowlton 1920-8-7
NEBC: 01080639 Sagittaria latifolia Willdenow USA: Maine East Machias: East Machias C. H. Knowlton 1935-8-7
NEBC: 01080641 Sagittaria latifolia Willdenow USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1933-8-18
NEBC: 01080642 Sagittaria latifolia Willdenow USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1933-8-18
NEBC: 01080643 Sagittaria latifolia Willdenow USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1933-8-18
NEBC: 01080678 Sagittaria latifolia Willdenow USA: Maine Farmingdale: Farmingdale C. H. Knowlton 1917-8-8
NEBC: 01010983 Sagittaria latifolia Willdenow USA: New Hampshire Troy: Troy C. H. Knowlton 1941-8-21
NEBC: 01010984 Sagittaria latifolia Willdenow USA: New Hampshire Troy: Troy C. H. Knowlton 1941-8-21
NEBC: 01032673 Sagittaria latifolia Willdenow USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
NEBC: 00764235 Sagittaria latifolia Willdenow USA: Vermont Addison: Addison C. H. Knowlton 1930-7-13
NEBC: 00764239 Sagittaria latifolia Willdenow USA: Vermont Hartland: Hartland C. H. Knowlton 1918-7-7
NEBC: 00764243 Sagittaria latifolia Willdenow USA: Vermont Sudbury: Sudbury C. H. Knowlton 1939-8-23
NEBC: 01032688 Sagittaria latifolia Willdenow USA: Massachusetts Essex: Essex C. H. Knowlton 1907-8-11
NEBC: 01032708 Sagittaria latifolia Willdenow USA: Massachusetts Arlington: Arlington C. H. Knowlton 1907-8-3
NEBC: 01032754 Sagittaria latifolia Willdenow USA: Massachusetts Winchester: Winchester C. H. Knowlton 1906-8-26
NEBC: 01032761 Sagittaria latifolia Willdenow USA: Massachusetts Boston: Hyde Park C. H. Knowlton 1908-9-19
NEBC: 01080945 Sagittaria rigida Pursh USA: Vermont Ferrisburg C. H. Knowlton 1939-7-18
NEBC: 01080952 Sagittaria rigida Pursh USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
Alliaceae
NEBC: 00573131 Allium canadense Linnaeus USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00567418 Allium schoenoprasum Linnaeus USA: Vermont Hartland: Hartland C. H. Knowlton 1918-7-7
NEBC: 00680620 Allium tricoccum Aiton USA: Massachusetts Greenfield: Greenfield C. H. Knowlton 1911-7-25
NEBC: 00734272 Allium tricoccum Aiton USA: Maine Farmington: Farmington C. H. Knowlton 484 1897
NEBC: 00734273 Allium tricoccum Aiton USA: Maine Farmington: Farmington C. H. Knowlton 1893
GH: 00734274 Allium tricoccum Aiton USA: Maine Farmington: Farmington C. H. Knowlton 1893
NEBC: 00734275 Allium tricoccum Aiton USA: Maine Farmington: Farmington C. H. Knowlton 484
NEBC: 00734277 Allium tricoccum Aiton USA: Maine Temple: Temple C. H. Knowlton 1910-8-26
NEBC: 00734310 Allium tricoccum Aiton USA: Vermont Cabot: Cabot C. H. Knowlton 1915-5-27
NEBC: 00734317 Allium tricoccum Aiton USA: Vermont Hyde Park: Hyde Park C. H. Knowlton 1935-5-23
NEBC: 00734318 Allium tricoccum Aiton USA: Vermont Morristown: Morristown C. H. Knowlton 1933-5-25
NEBC: 00734326 Allium tricoccum Aiton USA: Vermont Hartland: Hartland C. H. Knowlton 1918-7-7
NEBC: 00734328 Allium tricoccum Aiton USA: Vermont Williston: Williston C. H. Knowlton 1942-7-15
NEBC: 00734330 Allium tricoccum Aiton USA: Vermont Brookfield: Brookfield C. H. Knowlton 1920-6-4
NEBC: 00680605 Allium tricoccum Aiton USA: Massachusetts Waltham: Waltham C. H. Knowlton 1907
NEBC: 00775993 Allium tricoccum Aiton USA: Massachusetts Waltham: Waltham C. H. Knowlton 1907-4-27
NEBC: 00611611 Allium vineale Linnaeus USA: Massachusetts Woburn: Woburn C. H. Knowlton 1906-7-4
NEBC: 00611615 Allium vineale Linnaeus USA: Massachusetts Barnstable: Barnstable C. H. Knowlton 1905-7-16
Amaranthaceae
GH: 01928485 Alternanthera philoxeroides (Martius) Grisebach USA: South Carolina St. Andrews C. H. Knowlton 1935-4-17
NEBC: 00660958 Amaranthus Linnaeus USA: Massachusetts Billerica: S. [South] Billerica C. H. Knowlton 1901-9-28
NEBC: 00614845 Amaranthus blitoides S. Watson USA: Massachusetts Boston: Boston, Fenway C. H. Knowlton 1906-8-2
NEBC: 00614857 Amaranthus blitoides S. Watson USA: Massachusetts Duxbury: Duxbury C. H. Knowlton 1911-9-10
NEBC: 00741365 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: Massachusetts Boston: Dorchester, Cedar Grove C. H. Knowlton 1908-10-4
NEBC: 00741366 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: Massachusetts Boston: Dorchester, Cedar Grove C. H. Knowlton 1908-8-11
NEBC: 00741372 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: Massachusetts Wareham: Wareham C. H. Knowlton 1925-9-18
NEBC: 00614866 Amaranthus caudatus Linnaeus USA: Massachusetts Boston: Boston, Fenway C. H. Knowlton 1906-9-27
NEBC: 00614948 Amaranthus hybridus Linnaeus USA: Massachusetts Newburyport: Newburyport C. H. Knowlton 1945-8-3
NEBC: 00614978 Amaranthus hybridus Linnaeus USA: Massachusetts Hanson: Hanson C. H. Knowlton 1945-9-1
NEBC: 00614894 Amaranthus powellii S. Watson USA: Massachusetts Hanson: Hanson C. H. Knowlton 1945-9-1
NEBC: 00614905 Amaranthus retroflexus Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1948-8-27
NEBC: 00614910 Amaranthus retroflexus Linnaeus USA: Maine Calais: Calais C. H. Knowlton 1940-8-1
NEBC: 00614912 Amaranthus retroflexus Linnaeus USA: Maine Rogue Bluffs C. H. Knowlton 1934-9-5
NEBC: 00598376 Amaranthus retroflexus Linnaeus USA: Massachusetts Newburyport: Newburyport C. H. Knowlton 1945-8-3
NEBC: 00592001 Amaranthus retroflexus Linnaeus USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-11
NEBC: 00592067 Amaranthus tuberculatus (Moquin-Tandon) Sauer USA: Vermont Weybridge: Weybridge C. H. Knowlton 1936-7-15
Anacardiaceae
NEBC: 00592663 Rhus aromatica Aiton USA: Vermont Addison: Addison C. H. Knowlton 1933-5-14
NEBC: 00592668 Rhus aromatica Aiton USA: Vermont Weybridge: Weybridge C. H. Knowlton 1939-7-14
NEBC: 00592669 Rhus aromatica Aiton USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
GH: 01866834 Rhus aromatica Aiton USA: New York Montcalm Landing C. H. Knowlton
GH: 01866838 Rhus aromatica Aiton USA: New York Montcalm Landing C. H. Knowlton
NEBC: 00752433 Rhus copallinum latifolia Engler USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00752435 Rhus copallinum latifolia Engler USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1938-8-24
NEBC: 00690773 Rhus copallinum latifolia Engler USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00690775 Rhus copallinum latifolia Engler USA: Rhode Island Cumberland: Cumberland C. H. Knowlton 1911-5-30
NEBC: 00690788 Rhus copallinum latifolia Engler USA: Rhode Island Kingston C. H. Knowlton 1945-6-29
NEBC: 00690833 Rhus glabra Linnaeus USA: Maine Alfred: Alfred C. H. Knowlton 1936-7-23
NEBC: 00690857 Rhus glabra Linnaeus USA: New Hampshire Durham: Durham C. H. Knowlton 1918-9-8
NEBC: 00690898 Rhus glabra Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1914-9-7
NEBC: 00690908 Rhus glabra Linnaeus USA: Massachusetts Natick: Natick C. H. Knowlton 1898-7-27
NEBC: 00720937 Rhus glabra Linnaeus USA: Massachusetts West Brookfield: West Brookfield C. H. Knowlton 1933-7-9
NEBC: 00720958 Rhus glabra Linnaeus USA: Rhode Island Cumberland: Cumberland C. H. Knowlton 1911-5-30
NEBC: 00720994 Rhus typhina Linnaeus USA: Maine Avon: Avon C. H. Knowlton 1945-7-18
NEBC: 00720995 Rhus typhina Linnaeus USA: Maine Chesterville: Chesterville C. H. Knowlton 1945-7-17
NEBC: 00690942 Rhus typhina Linnaeus USA: Maine Baring C. H. Knowlton 1938-8-17
NEBC: 00690944 Rhus typhina Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00690947 Rhus typhina Linnaeus USA: Maine T24 MD C. H. Knowlton 1936-8-11
NEBC: 00752572 Rhus typhina Linnaeus USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-7-27
NEBC: 00752580 Rhus typhina Linnaeus USA: Vermont Benson: Benson C. H. Knowlton 1924-9-25
NEBC: 00752595 Rhus typhina Linnaeus USA: Massachusetts Arlington: Arlington C. H. Knowlton 1907-8-3
NEBC: 00752629 Rhus typhina Linnaeus USA: Massachusetts Norwell: Norwell C. H. Knowlton 1941-6-26
NEBC: 00752662 Rhus typhina Linnaeus USA: Massachusetts Agawam Town C. H. Knowlton 1913-5-18
NEBC: 00752675 Rhus typhina Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
GH: 01868863 Toxicodendron pubescens Miller USA: North Carolina Asheville: [no additional data] C. H. Knowlton 1924-5-11
NEBC: 00660502 Toxicodendron radicans (Linnaeus) Kuntze USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-18
NEBC: 00660515 Toxicodendron radicans (Linnaeus) Kuntze USA: New Hampshire Rye: Rye C. H. Knowlton 1944-6-28
NEBC: 00660518 Toxicodendron radicans (Linnaeus) Kuntze USA: New Hampshire Weare: Weare C. H. Knowlton 1944-8-19
NEBC: 00660519 Toxicodendron radicans (Linnaeus) Kuntze USA: Vermont Ludlow: Ludlow C. H. Knowlton 1942-6-4
NEBC: 00660524 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Newburyport: Newburyport C. H. Knowlton 1945-8-3
NEBC: 00660525 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Newburyport: Newburyport C. H. Knowlton 1913-7-6
NEBC: 00660528 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Topsfield: Topsfield C. H. Knowlton 1910-6-25
NEBC: 00660529 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Bolton: Bolton C. H. Knowlton 1910-6-17
NEBC: 00660532 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
NEBC: 00660563 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Hingham: Hingham C. H. Knowlton 1943-7-27
NEBC: 00660564 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Norwell: Norwell C. H. Knowlton 1941-6-26
NEBC: 00660594 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Yarmouth: Yarmouth C. H. Knowlton 1925-7-9
GH: 01869045 Toxicodendron radicans (Linnaeus) Kuntze USA: South Carolina St. Andrews C. H. Knowlton 1935-4-17
GH: 01869306 Toxicodendron rydbergii (Small ex Rydberg) Greene Canada: New Brunswick Shediac, Cap Brulé C. H. Knowlton 1925-7-30
NEBC: 00772272 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-18
NEBC: 00772275 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00772276 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Maine Marshfield: Marshfield C. H. Knowlton 1909-7-13
NEBC: 00772277 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00772280 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00772293 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Maine Alfred: Alfred C. H. Knowlton 1936-7-23
NEBC: 00772313 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: New Hampshire Bradford: Bradford C. H. Knowlton 1942-7-21
NEBC: 00772319 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: New Hampshire Weare: Weare C. H. Knowlton 1944-8-19
NEBC: 00752699 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Vermont South Burlington: South Burlington C. H. Knowlton 1942-7-13
NEBC: 00752700 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1940-7-17
NEBC: 00752701 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Vermont Milton: Milton C. H. Knowlton 1924-8-6
NEBC: 00752702 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Vermont Shelburne: Shelburne C. H. Knowlton 1913-6-25
NEBC: 00752705 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Vermont Leicester: Leicester C. H. Knowlton 1942-6-5
NEBC: 00752709 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Vermont Waltham: Waltham C. H. Knowlton 1942-7-12
NEBC: 00752711 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Vermont Halifax: Halifax C. H. Knowlton 1939-6-28
NEBC: 00752732 Toxicodendron vernix (Linnaeus) Kuntze USA: Maine New Sharon: New Sharon C. H. Knowlton 1902-8-10
NEBC: 00752733 Toxicodendron vernix (Linnaeus) Kuntze USA: Maine Leeds: Leeds C. H. Knowlton 1915-7-23
GH: 00752751 Toxicodendron vernix (Linnaeus) Kuntze USA: New Hampshire Pelham: Pelham C. H. Knowlton 1902-9-13
NEBC: 00752760 Toxicodendron vernix (Linnaeus) Kuntze USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00772350 Toxicodendron vernix (Linnaeus) Kuntze USA: Massachusetts Hanson: Hanson C. H. Knowlton 1909-9-12
NEBC: 00772351 Toxicodendron vernix (Linnaeus) Kuntze USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1914-7-4
NEBC: 00772352 Toxicodendron vernix (Linnaeus) Kuntze USA: Massachusetts Norwell: Norwell C. H. Knowlton 1919-6-22
NEBC: 00772405 Toxicodendron vernix (Linnaeus) Kuntze USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-3
Apiaceae
NEBC: 00578744 Aegopodium podagraria Linnaeus USA: Massachusetts Milton: Milton C. H. Knowlton 1919-6-30
GH: 00523679 Aethusa cynapium Linnaeus USA: Massachusetts Waltham: Waltham C. H. Knowlton 1907-8-10
NEBC: 00523680 Aethusa cynapium Linnaeus USA: Massachusetts Waltham: Waltham C. H. Knowlton 1907-8-10
NEBC: 00523688 Aethusa cynapium Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-10-10
NEBC: 00483202 Angelica atropurpurea Linnaeus USA: Vermont Shrewsbury: Shrewsbury C. H. Knowlton 1935-7-26
NEBC: 00523726 Carum carvi Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1933-6-27
NEBC: 00523773 Carum carvi Linnaeus USA: Vermont Newport C. H. Knowlton 1913-6-7
NEBC: 00523790 Carum carvi Linnaeus USA: Vermont Hubbardston C. H. Knowlton 1923-6-28
NEBC: 00523805 Carum carvi Linnaeus USA: Massachusetts Sudbury: Sudbury C. H. Knowlton 1908-5-30
NEBC: 00483607 Cicuta bulbifera Linnaeus USA: Maine Baileyville: Baileyville C. H. Knowlton 1940-8-5
NEBC: 00483608 Cicuta bulbifera Linnaeus USA: Maine Centreville C. H. Knowlton 1936-8-5
NEBC: 00483609 Cicuta bulbifera Linnaeus USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 00483610 Cicuta bulbifera Linnaeus USA: Maine Danforth: Danforth C. H. Knowlton 1935-8-14
NEBC: 00483611 Cicuta bulbifera Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00483612 Cicuta bulbifera Linnaeus USA: Maine Robbinston: Robbinston C. H. Knowlton 1931-8-29
NEBC: 00483613 Cicuta bulbifera Linnaeus USA: Maine Rogue Bluffs C. H. Knowlton 1932-8-12
NEBC: 00483614 Cicuta bulbifera Linnaeus USA: Maine Crawford: Crawford C. H. Knowlton 1932-8-9
NEBC: 00483615 Cicuta bulbifera Linnaeus USA: Maine Calais: Calais C. H. Knowlton 1928-8-24
NEBC: 00483681 Cicuta bulbifera Linnaeus USA: New Hampshire Weare: Weare C. H. Knowlton 1944-8-19
NEBC: 00483700 Cicuta bulbifera Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1940-8-20
NEBC: 00483702 Cicuta bulbifera Linnaeus USA: Vermont Sudbury: Sudbury C. H. Knowlton 1939-8-23
NEBC: 00483750 Cicuta bulbifera Linnaeus USA: Massachusetts Pembroke: Pembroke C. H. Knowlton 1909-9-12
NEBC: 00483751 Cicuta bulbifera Linnaeus USA: Massachusetts Pembroke: Pembroke C. H. Knowlton 1909-9-12
NEBC: 01050764 Cicuta maculata Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1924-8-19
GH: 01050765 Cicuta maculata Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1908-7-19
NEBC: 01050766 Cicuta maculata Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1908-7-19
NEBC: 01050831 Cicuta maculata Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 01050835 Cicuta maculata Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1940-8-20
NEBC: 01036064 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Eastport: Eastport C. H. Knowlton 1928-8-17
NEBC: 01036065 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 01036067 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Machiasport: Machiasport C. H. Knowlton 1914-7-25
NEBC: 01036069 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1913-7-17
NEBC: 01036070 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Steuben: Steuben C. H. Knowlton 1935-8-8
GH: 01036043 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-30
NEBC: 01036025 Coelopleurum lucidum (Linnaeus) Fernald USA: Massachusetts Scituate: Scituate C. H. Knowlton 1910-6-5
NEBC: 01036026 Coelopleurum lucidum (Linnaeus) Fernald USA: Massachusetts Scituate: Scituate C. H. Knowlton 1907-7-28
GH: 01050981 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Strong: Strong C. H. Knowlton 1903-7-24
NEBC: 01050982 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Strong: Strong C. H. Knowlton 1903-7-23
NEBC: 01050989 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Addison: Addison C. H. Knowlton 1924-8-19
NEBC: 01050991 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Edmunds C. H. Knowlton 1928-8-18
GH: 01050992 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Machias: Machias C. H. Knowlton 1931-8-18
NEBC: 01050993 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Machias: Machias C. H. Knowlton 1931-8-18
NEBC: 01050994 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Machias: Machias C. H. Knowlton 1931-8-14
NEBC: 01050995 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1913-7-25
NEBC: 01050996 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Steuben: Steuben C. H. Knowlton 1933-8-15
NEBC: 01050997 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Trescott C. H. Knowlton 1929-9-5
NEBC: 00523866 Conium maculatum Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1935-7-11
NEBC: 00523886 Conium maculatum Linnaeus USA: Massachusetts Milton: Milton C. H. Knowlton 1919-6-30
NEBC: 01051079 Cryptotaenia canadensis (Linnaeus) de Candolle USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1915-8-24
NEBC: 01051100 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont South Hero: South Hero C. H. Knowlton 1940-7-4
NEBC: 01051109 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Shelburne: Shelburne C. H. Knowlton 1949-7-19
NEBC: 01051110 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Brookfield: Brookfield C. H. Knowlton 1925-7-1
NEBC: 01051111 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
NEBC: 01051113 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Williamstown: Williamstown C. H. Knowlton 1915-8-17
NEBC: 01051116 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Weybridge: Weybridge C. H. Knowlton 1934-7-24
NEBC: 01051118 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Cavendish: Cavendish C. H. Knowlton 1936-7-6
NEBC: 01051122 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Hubbardston C. H. Knowlton 1923-6-28
NEBC: 01051128 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Halifax: Halifax C. H. Knowlton 1925-6-21
GH: 01051195 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 01051196 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00689474 Heracleum maximum W. Bartram USA: Vermont Stowe: Stowe C. H. Knowlton 1940-7-13
NEBC: 00689488 Heracleum maximum W. Bartram USA: Vermont Halifax: Halifax C. H. Knowlton 1925-6-21
NEBC: 00689490 Heracleum maximum W. Bartram USA: Vermont Searsburg: Searsburg C. H. Knowlton 1939-6-29
NEBC: 00689491 Heracleum maximum W. Bartram USA: Vermont Searsburg: Searsburg C. H. Knowlton 1939-6-29
NEBC: 01051232 Heracleum maximum W. Bartram USA: Maine Farmington: Farmington C. H. Knowlton 1902-7-4
NEBC: 01051240 Heracleum maximum W. Bartram USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-13
NEBC: 01051241 Heracleum maximum W. Bartram USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1913
NEBC: 01051312 Heracleum maximum W. Bartram USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1914-7-4
NEBC: 01051345 Heracleum maximum W. Bartram USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00266451 Heracleum sphondylium Linnaeus USA: Maine C. H. Knowlton 1936-8-17
NEBC: 00266454 Heracleum sphondylium Linnaeus USA: Vermont C. H. Knowlton 1942-7-17
GH: 00266456 Heracleum sphondylium Linnaeus USA: Massachusetts Boston: South Boston C. H. Knowlton 1908-7-29
NEBC: 01051365 Hydrocotyle americana Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1935-7-4
NEBC: 01051372 Hydrocotyle americana Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 01051373 Hydrocotyle americana Linnaeus USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 01051374 Hydrocotyle americana Linnaeus USA: Maine Marshfield: Marshfield C. H. Knowlton 1931-8-10
NEBC: 01051376 Hydrocotyle americana Linnaeus USA: Maine Cooper: Cooper C. H. Knowlton 1928-8-23
NEBC: 01051378 Hydrocotyle americana Linnaeus USA: Maine T31 MD C. H. Knowlton 1924-8-18
NEBC: 01051476 Hydrocotyle americana Linnaeus USA: Vermont Burlington: Burlington C. H. Knowlton 1934-7-12
NEBC: 01051478 Hydrocotyle americana Linnaeus USA: Vermont Williston: Williston C. H. Knowlton 1945-7-12
NEBC: 01051483 Hydrocotyle americana Linnaeus USA: Vermont Ludlow: Ludlow C. H. Knowlton 1923-8-14
NEBC: 01051508 Hydrocotyle americana Linnaeus USA: Massachusetts Waltham: Waltham C. H. Knowlton 1906-7-7
NEBC: 01051517 Hydrocotyle americana Linnaeus USA: Massachusetts Hanson: Hanson C. H. Knowlton 1945-9-1
NEBC: 01051518 Hydrocotyle americana Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1915-6-27
NEBC: 01051567 Hydrocotyle americana Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 01051615 Hydrocotyle umbellata Michaux USA: Massachusetts Freetown: Freetown C. H. Knowlton 1906-9-9
NEBC: 01051657 Hydrocotyle umbellata Michaux USA: Connecticut Thompson: Thompson C. H. Knowlton 1899-9-23
NEBC: 00523938 Levisticum officinale W. D. J. Koch USA: Maine Chesterville: Chesterville C. H. Knowlton 1899
NEBC: 01051668 Ligusticum scoticum Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1924-8-19
NEBC: 01051674 Ligusticum scoticum Linnaeus USA: Maine Robbinston: Robbinston C. H. Knowlton 1932-8-2
NEBC: 01051675 Ligusticum scoticum Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1913-7-1
NEBC: 01051733 Ligusticum scoticum Linnaeus USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 01081145 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Newport C. H. Knowlton 1913-6-7
NEBC: 01081153 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1935-7-4
NEBC: 01081154 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont South Hero: South Hero C. H. Knowlton 1940-7-14
NEBC: 01081157 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01081161 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Brookfield: Brookfield C. H. Knowlton 1925-7-1
NEBC: 01081168 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Montpelier: Montpelier C. H. Knowlton 1915-8-18
NEBC: 01081169 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Bristol: Bristol C. H. Knowlton 1935-7-11
NEBC: 01081171 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Granville: Granville C. H. Knowlton 1926-7-28
NEBC: 01081183 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 01081184 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Hubbardton: Hubbardton C. H. Knowlton 1923-6-28
NEBC: 01009486 Osmorhiza longistylis (Torrey) de Candolle USA: Maine Industry: Industry C. H. Knowlton 1936-6-28
NEBC: 01009522 Osmorhiza longistylis (Torrey) de Candolle USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01009524 Osmorhiza longistylis (Torrey) de Candolle USA: Vermont Brookfield: Brookfield C. H. Knowlton 1925-7-1
NEBC: 01009526 Osmorhiza longistylis (Torrey) de Candolle USA: Vermont Warren: Warren C. H. Knowlton 1935-7-7
NEBC: 01009553 Osmorhiza longistylis (Torrey) de Candolle USA: Massachusetts Natick: Natick C. H. Knowlton 1895-5
NEBC: 01009580 Osmorhiza longistylis (Torrey) de Candolle USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-6-24
NEBC: 00673092 Panax quinquefolius Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1896
NEBC: 00673135 Panax quinquefolius Linnaeus USA: Vermont Weybridge: Weybridge C. H. Knowlton 1939-7-14
NEBC: 00816350 Panax trifolius Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton
NEBC: 01051980 Panax trifolius Linnaeus USA: Vermont Coventry: Coventry C. H. Knowlton 1932-5-20
NEBC: 01051982 Panax trifolius Linnaeus USA: Vermont Hyde Park: Hyde Park C. H. Knowlton 1935-5-23
NEBC: 01051983 Panax trifolius Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 01051986 Panax trifolius Linnaeus USA: Vermont Hartford: Hartford C. H. Knowlton 1923-5-18
NEBC: 01009027 Panax trifolius Linnaeus USA: Massachusetts Greenfield Town C. H. Knowlton 1912-5-12
NEBC: 01009047 Panax trifolius Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00485991 Pastinaca sativa Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1902-8-17
NEBC: 00485995 Pastinaca sativa Linnaeus USA: Maine Princeton: Princeton C. H. Knowlton 1940-7-29
NEBC: 00483055 Pastinaca sativa Linnaeus USA: Vermont Cornwall: Cornwall C. H. Knowlton 1937-7-21
NEBC: 00483056 Pastinaca sativa Linnaeus USA: Vermont Middlebury: Middlebury C. H. Knowlton 1933-7-25
NEBC: 00483086 Pastinaca sativa Linnaeus USA: Massachusetts Boston: Boston C. H. Knowlton 1908-6-25
NEBC: 00483123 Pastinaca sativa Linnaeus USA: Massachusetts Adams: Adams C. H. Knowlton 1915-5-15
NEBC: 01025249 Ptilimnium capillaceum (Michaux) Rafinesque USA: Massachusetts Mattapoisett: Mattapoisett C. H. Knowlton 1908-8-16
NEBC: 00750849 Sanicula canadensis Linnaeus USA: Vermont Cornwall: Cornwall C. H. Knowlton 1937-7-21
NEBC: 00750856 Sanicula canadensis Linnaeus USA: Massachusetts Cohasset: Cohasset C. H. Knowlton 1947-7-4
NEBC: 00750857 Sanicula canadensis Linnaeus USA: Massachusetts Scituate: Scituate C. H. Knowlton 1933-7-29
NEBC: 00483498 Sanicula marilandica Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1946-7-4
NEBC: 00483310 Sanicula marilandica Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 00483320 Sanicula marilandica Linnaeus USA: Maine Indiantown C. H. Knowlton 1938-8-17
NEBC: 00483421 Sanicula marilandica Linnaeus USA: Vermont Charlotte: Charlotte C. H. Knowlton 1942-7-12
NEBC: 00483422 Sanicula marilandica Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1938-7-17
NEBC: 00483424 Sanicula marilandica Linnaeus USA: Vermont South Burlington: South Burlington C. H. Knowlton 1914-7-7
NEBC: 00483428 Sanicula marilandica Linnaeus USA: Vermont Braintree: Braintree C. H. Knowlton 1933-7-18
NEBC: 00483431 Sanicula marilandica Linnaeus USA: Vermont Williamstown: Williamstown C. H. Knowlton 1918-7-15
NEBC: 00483433 Sanicula marilandica Linnaeus USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 00483439 Sanicula marilandica Linnaeus USA: Vermont Hubbardston C. H. Knowlton 1923-6-28
NEBC: 00483447 Sanicula marilandica Linnaeus USA: Vermont Pownal: Pownal C. H. Knowlton 1918-6-14
NEBC: 00483448 Sanicula marilandica Linnaeus USA: Vermont Pownal: Pownal C. H. Knowlton 1918-6-14
NEBC: 00483413 Sanicula marilandica Linnaeus USA: Vermont South Hero: C. H. Knowlton 1940-7-14
NEBC: 01025354 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1935-7-24
NEBC: 01025356 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Vermont Charlotte: Charlotte C. H. Knowlton 1942-7-12
NEBC: 01025358 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Vermont South Burlington: South Burlington C. H. Knowlton 1912-6-26
NEBC: 01025361 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 01010218 Sanicula trifoliata E. P. Bicknell USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1935-7-24
NEBC: 01010219 Sanicula trifoliata E. P. Bicknell USA: Vermont Charlotte: Charlotte C. H. Knowlton 1942-7-12
NEBC: 01010223 Sanicula trifoliata E. P. Bicknell USA: Vermont Bristol: Bristol C. H. Knowlton 1935-7-11
NEBC: 01010229 Sanicula trifoliata E. P. Bicknell USA: Vermont Middlebury: Middlebury C. H. Knowlton 1933-7-25
NEBC: 01010245 Sanicula trifoliata E. P. Bicknell USA: Massachusetts Colrain: Colrain C. H. Knowlton 1911-7-26
NEBC: 00312376 Sium cicutifolium Schrenk USA: Massachusetts Randolph: Blue Hill River [possibly in Blue ... C. H. Knowlton 1908-8-1
NEBC: 00312377 Sium cicutifolium Schrenk USA: Massachusetts Randolph: Blue Hill River [possibly in Blue ... C. H. Knowlton 1908-8-1
NEBC: 00312376 Sium suave Walter USA: Massachusetts Randolph: Blue Hill River [possibly in Blue ... C. H. Knowlton 1908-8-1
NEBC: 00312377 Sium suave Walter USA: Massachusetts Randolph: Blue Hill River [possibly in Blue ... C. H. Knowlton 1908-8-1
NEBC: 01010296 Sium suave Walter USA: Maine Baileyville: Baileyville C. H. Knowlton 1940-8-5
NEBC: 01010297 Sium suave Walter USA: Maine Crawford: Crawford C. H. Knowlton 1932-8-9
NEBC: 01010298 Sium suave Walter USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01010301 Sium suave Walter USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 01010303 Sium suave Walter USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00737541 Taenidia integerrima (Linnaeus) Drude USA: Vermont Charlotte: Charlotte C. H. Knowlton 1922-5-28
NEBC: 00737543 Taenidia integerrima (Linnaeus) Drude USA: Vermont Shelburne: Shelburne C. H. Knowlton 1913-6-25
NEBC: 00737546 Taenidia integerrima (Linnaeus) Drude USA: Vermont Ferrisburg C. H. Knowlton 1920-5-30
NEBC: 00523987 Zizia aurea (Linnaeus) W. D. J. Koch USA: Maine Dover-Foxcroft: Dover-Foxcroft C. H. Knowlton 758 1897-7-6
NEBC: 00523997 Zizia aurea (Linnaeus) W. D. J. Koch USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
NEBC: 00566027 Zizia aurea (Linnaeus) W. D. J. Koch USA: New Hampshire Rumney: Rumney C. H. Knowlton 1936-5-29
NEBC: 00566029 Zizia aurea (Linnaeus) W. D. J. Koch USA: New Hampshire Warren: Warren C. H. Knowlton 1919-6-13
NEBC: 00566045 Zizia aurea (Linnaeus) W. D. J. Koch USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00566052 Zizia aurea (Linnaeus) W. D. J. Koch USA: New Hampshire Surry: Surry C. H. Knowlton 1939-7-20
NEBC: 00587003 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Newport C. H. Knowlton 1913-6-7
NEBC: 00587010 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1935-7-24
NEBC: 00587014 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Eden: Eden C. H. Knowlton 1918-6-9
NEBC: 00587015 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00587016 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Jericho: Jericho C. H. Knowlton 1938-5-26
NEBC: 00587017 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Richmond: Richmond C. H. Knowlton 1940-7-17
NEBC: 00587023 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Weybridge: Weybridge C. H. Knowlton 1932-7-19
NEBC: 00587027 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Hubbardston C. H. Knowlton 1923-6-28
NEBC: 00587034 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Guilford: Guilford C. H. Knowlton 1934-6-8
NEBC: 00566083 Zizia aurea (Linnaeus) W. D. J. Koch USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00566111 Zizia aurea (Linnaeus) W. D. J. Koch USA: Rhode Island Cumberland: Cumberland C. H. Knowlton 1911-5-30
Apocynaceae
GH: 02179188 Apocynum androsaemifolium Linnaeus Canada: New Brunswick Shediac C. H. Knowlton 1925-7-30
NEBC: 00816451 Apocynum androsaemifolium Linnaeus USA: Massachusetts Chelmsford C. H. Knowlton 1903-6-13
NEBC: 00816457 Apocynum androsaemifolium Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1906-8-4
GH: 02179335 Apocynum androsaemifolium Linnaeus USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
GH: 02179645 Apocynum cannabinum Linnaeus Canada: Quebec Province Sandy shore of Lake Champlain; Philipsburg C. H. Knowlton 1923-8-10
GH: 02179644 Apocynum cannabinum Linnaeus Canada: Quebec Province Stanstead County; Lake Massawippi C. H. Knowlton 1923-7-21
GH: 02179808 Apocynum cannabinum Linnaeus USA: Illinois Chicago: Stony Island; South Chicago C. H. Knowlton 1933-9-1
GH: 02179952 Apocynum cannabinum Linnaeus USA: New York Junius: [no additional data] C. H. Knowlton 1932-6-22
NEBC: 00685247 Vinca minor Linnaeus USA: Vermont Craftsbury: Craftsbury C. H. Knowlton 1932-5-19
NEBC: 00685280 Vinca minor Linnaeus USA: Massachusetts Greenfield: Greenfield C. H. Knowlton 1912-5-12
Aquifoliaceae
NEBC: 00750133 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Yarmouth: Yarmouth C. H. Knowlton 1915-7-8
NEBC: 00760919 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Barnstable Town C. H. Knowlton 1913-9-10
NEBC: 00760932 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Uxbridge: Uxbridge C. H. Knowlton 1947-9-13
GH: 00767422 Ilex laevigata (Pursh) A. Gray USA: Connecticut South Windsor: South Windsor C. H. Knowlton 1904-9-17
GH: 00767430 Ilex laevigata (Pursh) A. Gray USA: Connecticut Litchfield: Litchfield C. H. Knowlton 1903-9-19
NEBC: 00760895 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Halifax: Halifax C. H. Knowlton 1906-9-23
NEBC: 00760896 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Halifax: Halifax C. H. Knowlton 1906-9-23
NEBC: 00760897 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Hanson: Hanson C. H. Knowlton 1906-6-18
NEBC: 00760903 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Norwell: Norwell C. H. Knowlton 1912-6-22
NEBC: 00760904 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Rockland: Rockland C. H. Knowlton 1917-9-15
NEBC: 00767468 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine Coburn Gore: Coburn Gore C. H. Knowlton 1940-6-28
NEBC: 00629857 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine Cooper: Cooper C. H. Knowlton 1919
NEBC: 00629862 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine Kossuth C. H. Knowlton 1940-8-7
NEBC: 00629864 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1913-7-18
NEBC: 00629865 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1910-7-24
NEBC: 00629866 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine C. H. Knowlton 1938-8-11
NEBC: 00760985 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: New Hampshire Lempster: Lempster C. H. Knowlton 1918-7-15
NEBC: 00773877 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Vermont Craftsbury: Craftsbury C. H. Knowlton 1932-5-19
NEBC: 00773887 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00773901 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Vermont Ludlow: Ludlow C. H. Knowlton 1917-7-20
NEBC: 00773921 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Ashby: Ashby C. H. Knowlton 1914-5-30
NEBC: 00773973 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts South Hanson C. H. Knowlton 1906-6-18
NEBC: 00773975 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1926-6-26
NEBC: 00629988 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00629996 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Pittsfield: Pittsfield C. H. Knowlton 1919-5-29
GH: 00713174 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00713226 Ilex opaca Aiton USA: Massachusetts Holbrook: Holbrook C. H. Knowlton 1908-6-14
NEBC: 00713228 Ilex opaca Aiton USA: Massachusetts Halifax: Halifax C. H. Knowlton 1906-9-23
NEBC: 00713324 Ilex verticillata (Linnaeus) A. Gray USA: Maine Farmington: Farmington C. H. Knowlton 1900-7-18
NEBC: 00713325 Ilex verticillata (Linnaeus) A. Gray USA: Maine Kingfield: Kingfield C. H. Knowlton 1941-8-13
NEBC: 00713326 Ilex verticillata (Linnaeus) A. Gray USA: Maine Wilton: Wilton C. H. Knowlton 1894-9-13
NEBC: 00713327 Ilex verticillata (Linnaeus) A. Gray USA: Maine East Livermore C. H. Knowlton 1914-8-4
NEBC: 00713345 Ilex verticillata (Linnaeus) A. Gray USA: Maine Brookton C. H. Knowlton 1941-8-5
NEBC: 00713346 Ilex verticillata (Linnaeus) A. Gray USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00713347 Ilex verticillata (Linnaeus) A. Gray USA: Maine Cooper: Cooper C. H. Knowlton 1919-8-9
NEBC: 00713349 Ilex verticillata (Linnaeus) A. Gray USA: Maine East Machias: East Machias C. H. Knowlton 1935-8-7
NEBC: 00713350 Ilex verticillata (Linnaeus) A. Gray USA: Maine C. H. Knowlton 1941-8-5
NEBC: 00713351 Ilex verticillata (Linnaeus) A. Gray USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00713352 Ilex verticillata (Linnaeus) A. Gray USA: Maine Machias: Machias C. H. Knowlton 1908-7-17
NEBC: 00713353 Ilex verticillata (Linnaeus) A. Gray USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-7-30
NEBC: 00713354 Ilex verticillata (Linnaeus) A. Gray USA: Maine C. H. Knowlton 1926-8-11
NEBC: 00767490 Ilex verticillata (Linnaeus) A. Gray USA: Maine Princeton: Princeton C. H. Knowlton 1940-7-29
NEBC: 00767491 Ilex verticillata (Linnaeus) A. Gray USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1913-7-24
NEBC: 00767502 Ilex verticillata (Linnaeus) A. Gray USA: Maine Cape Rosier C. H. Knowlton 1949-6-30
NEBC: 00713355 Ilex verticillata (Linnaeus) A. Gray USA: Maine Burnham: Burnham C. H. Knowlton 1940-7-14
NEBC: 00713364 Ilex verticillata (Linnaeus) A. Gray USA: Maine Bristol: Bristol C. H. Knowlton 1922-7-20
NEBC: 00713440 Ilex verticillata (Linnaeus) A. Gray USA: Maine Kennebunkport: Kennebunkport C. H. Knowlton 1922-7-17
NEBC: 00767822 Ilex verticillata (Linnaeus) A. Gray USA: Vermont South Burlington: South Burlington C. H. Knowlton 1912-6-28
NEBC: 00767843 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts Essex: Essex C. H. Knowlton 1907-10-6
NEBC: 00767845 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts Hamilton: Hamilton C. H. Knowlton 1907-10-6
NEBC: 00713627 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts Halifax: Halifax C. H. Knowlton 1906-9-23
NEBC: 00713630 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts Hingham: Hingham C. H. Knowlton 1926-7-11
NEBC: 00713634 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1914-7-4
NEBC: 00767938 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts West Brookfield: West Brookfield C. H. Knowlton 1933-7-9
NEBC: 00767990 Ilex verticillata (Linnaeus) A. Gray USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
Araceae
GH: 01634005 Acorus americanus (Rafinesque) Rafinesque Canada: Quebec Province Philipsburg C. H. Knowlton 1923-8-10
NEBC: 01009917 Acorus americanus (Rafinesque) Rafinesque USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1934-8-15
NEBC: 01009920 Acorus americanus (Rafinesque) Rafinesque USA: Maine Jefferson: Jefferson C. H. Knowlton 1932-7-27
NEBC: 01010644 Acorus calamus Linnaeus USA: Vermont Isle La Motte: Isle La Motte C. H. Knowlton 1939-7-16
NEBC: 01010645 Acorus calamus Linnaeus USA: Vermont Burlington: Burlington C. H. Knowlton 1921-8-5
NEBC: 01010649 Acorus calamus Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 01024604 Acorus calamus Linnaeus USA: Massachusetts Burlington: Burlington C. H. Knowlton 1904-6-18
NEBC: 01024615 Acorus calamus Linnaeus USA: Massachusetts Waltham: Waltham C. H. Knowlton 1908-6-21
NEBC: 01081836 Arisaema triphyllum (Linnaeus) Schott USA: Maine Strong: Strong C. H. Knowlton 1941-8-15
NEBC: 01081844 Arisaema triphyllum (Linnaeus) Schott USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01081845 Arisaema triphyllum (Linnaeus) Schott USA: Maine Baileyville: Baileyville C. H. Knowlton 1940-8-5
NEBC: 01081846 Arisaema triphyllum (Linnaeus) Schott USA: Maine Danforth: Danforth C. H. Knowlton 1935-8-14
NEBC: 01081847 Arisaema triphyllum (Linnaeus) Schott USA: Maine T29 MD C. H. Knowlton 1939-8-12
NEBC: 01080115 Arisaema triphyllum (Linnaeus) Schott USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1915-8-24
NEBC: 01080143 Arisaema triphyllum (Linnaeus) Schott USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 01080160 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Coventry: Coventry C. H. Knowlton 1940-6-4
NEBC: 01080163 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Hyde Park: Hyde Park C. H. Knowlton 1935-5-23
NEBC: 01080165 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 01080166 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Morristown: Morristown C. H. Knowlton 1933-5-25
NEBC: 01080168 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Brookfield: Brookfield C. H. Knowlton 1925-7-1
NEBC: 01080169 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Brookfield: Brookfield C. H. Knowlton 1920-6-4
NEBC: 01010741 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Leicester: Leicester C. H. Knowlton 1938-5-27
NEBC: 01010742 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Leicester: Leicester C. H. Knowlton 1942-6-5
NEBC: 01010757 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Dorset: Dorset C. H. Knowlton 1940-5-22
NEBC: 01010762 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Woodford: Woodford C. H. Knowlton 1939-5-24
NEBC: 01010783 Arisaema triphyllum (Linnaeus) Schott USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
NEBC: 01010817 Arisaema triphyllum (Linnaeus) Schott USA: Massachusetts Hanson: Hanson C. H. Knowlton 1945-9-1
NEBC: 01080215 Arisaema triphyllum (Linnaeus) Schott USA: Massachusetts Farmington C. H. Knowlton 1895-5-24
GH: 01654197 Arisaema triphyllum (Linnaeus) Schott USA: Indiana Dune Park C. H. Knowlton 1933-9-2
NEBC: 01010886 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 01010936 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: New Hampshire Marlborough: Marlborough C. H. Knowlton 1918-5-18
NEBC: 01010939 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Vermont Shelburne: Shelburne C. H. Knowlton 1920-5-31
NEBC: 01010942 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Vermont Sudbury: Sudbury C. H. Knowlton 1928-5-27
NEBC: 01010943 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Vermont Whitingham: Whitingham C. H. Knowlton 1939-6-28
NEBC: 00875017 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Massachusetts Cohasset: Cohasset C. H. Knowlton 1949-5-4
NEBC: 00875019 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Massachusetts Medfield: Medfield C. H. Knowlton
NEBC: 00875026 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Massachusetts Hingham: Hingham C. H. Knowlton 1925-5-31
NEBC: 00875027 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Massachusetts Norwell: Norwell C. H. Knowlton 1947-6-7
NEBC: 00875062 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00875070 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Rhode Island Cumberland: Cumberland C. H. Knowlton 1911-5-30
GH: 01655424 Calla palustris Linnaeus Canada: Quebec Province Sherbrooke: Lake Magog, Orford C. H. Knowlton 1923-7-22
GH: 01655445 Calla palustris Linnaeus Canada: New Brunswick Moncton C. H. Knowlton 1925-7-30
NEBC: 01081896 Calla palustris Linnaeus USA: Maine Baileyville: Baileyville C. H. Knowlton 1940-8-5
NEBC: 01081897 Calla palustris Linnaeus USA: Maine Crawford: Crawford C. H. Knowlton 1932-8-9
NEBC: 01081898 Calla palustris Linnaeus USA: Maine Eaton C. H. Knowlton 1941-8-5
NEBC: 01081899 Calla palustris Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01081900 Calla palustris Linnaeus USA: Maine Indiantown C. H. Knowlton 1941-8-4
NEBC: 01081922 Calla palustris Linnaeus USA: Maine Leeds: Leeds C. H. Knowlton 1915-7-23
NEBC: 01081968 Calla palustris Linnaeus USA: Vermont Newport C. H. Knowlton 1913-6-7
NEBC: 01081974 Calla palustris Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1933-7-11
NEBC: 01032918 Calla palustris Linnaeus USA: Massachusetts Norwood: Norwood C. H. Knowlton 1907-6-23
NEBC: 01032922 Calla palustris Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1925-5-31
NEBC: 01032929 Calla palustris Linnaeus USA: Massachusetts Auburn: Auburn C. H. Knowlton 1928-6-8
NEBC: 00733775 Orontium aquaticum Linnaeus USA: Massachusetts Yarmouth: Yarmouth C. H. Knowlton 1925-6-22
NEBC: 01080796 Peltandra virginica (Linnaeus) Rafinesque ex Schott USA: Vermont Castleton: Castleton C. H. Knowlton 1940-8-20
NEBC: 01080844 Peltandra virginica (Linnaeus) Rafinesque ex Schott USA: Massachusetts Sharon: Sharon C. H. Knowlton 1909-6-27
NEBC: 01080847 Peltandra virginica (Linnaeus) Rafinesque ex Schott USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1914-7-4
GH: 00219780 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton Canada: Quebec Province Near Brome Lake C. H. Knowlton 1923-5-27
GH: 01630961 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton Canada: Quebec Province Near Brome Lake C. H. Knowlton 1923-5-27
NEBC: 00635324 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Maine Bristol: Bristol C. H. Knowlton 1918-8-10
NEBC: 00635344 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Vermont Salisbury: Salisbury C. H. Knowlton 1940-6-7
NEBC: 00764289 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00764300 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Rhode Island Cumberland: Cumberland C. H. Knowlton 1919-5-30
Araliaceae
NEBC: 01036298 Aralia hispida Ventenat USA: Maine Farmington: Farmington C. H. Knowlton
NEBC: 01036300 Aralia hispida Ventenat USA: Maine Jay: Jay C. H. Knowlton 1935-7-3
NEBC: 01036306 Aralia hispida Ventenat USA: Maine Kossuth C. H. Knowlton 1940-8-7
NEBC: 01036310 Aralia hispida Ventenat USA: Maine Robbinston: Robbinston C. H. Knowlton 1932-8-2
NEBC: 01036311 Aralia hispida Ventenat USA: Maine TH MD C. H. Knowlton 1938-8-11
NEBC: 00816697 Aralia hispida Ventenat USA: Maine T10 C. H. Knowlton 1919-7-26
NEBC: 00816765 Aralia hispida Ventenat USA: Massachusetts Ashby: Ashby C. H. Knowlton 1914-5-30
NEBC: 00448350 Aralia nudicaulis Linnaeus USA: Maine Beddington: Beddington C. H. Knowlton 1927-8-25
NEBC: 00448424 Aralia nudicaulis Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00448441 Aralia nudicaulis Linnaeus USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1940-7-14
NEBC: 00448583 Aralia nudicaulis Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00248157 Aralia racemosa Linnaeus USA: Maine Strong: C. H. Knowlton 1927-8-10
NEBC: 00248165 Aralia racemosa Linnaeus USA: Maine Charlotte: C. H. Knowlton 1938-8-16
NEBC: 00248166 Aralia racemosa Linnaeus USA: Maine Codyville Plantation: C. H. Knowlton 1940-8-8
NEBC: 00248167 Aralia racemosa Linnaeus USA: Maine Forest Township: C. H. Knowlton 1941-8-5
NEBC: 00248168 Aralia racemosa Linnaeus USA: Maine Grand Lake Stream Plantation: C. H. Knowlton 1938-8-17
NEBC: 00248169 Aralia racemosa Linnaeus USA: Maine Indian Township: C. H. Knowlton 1928-8-24
NEBC: 00248171 Aralia racemosa Linnaeus USA: Maine Princeton: C. H. Knowlton 1940-7-29
NEBC: 00248173 Aralia racemosa Linnaeus USA: Maine T14 ED C. H. Knowlton 1939-8-14
NEBC: 00248174 Aralia racemosa Linnaeus USA: Maine T24 MD BPP C. H. Knowlton 1936-8-11
NEBC: 00248266 Aralia racemosa Linnaeus USA: Maine Prospect: C. H. Knowlton 1940-7-25
NEBC: 00248267 Aralia racemosa Linnaeus USA: Maine Washington: C. H. Knowlton 1935-8-30
NEBC: 00282603 Aralia racemosa Linnaeus USA: New Hampshire Keene: C. H. Knowlton 1922-8-23
NEBC: 00282883 Aralia racemosa Linnaeus USA: Vermont Cavendish: Gulf C. H. Knowlton 1922-8-16
NEBC: 00282889 Aralia racemosa Linnaeus USA: Vermont Poultney: C. H. Knowlton 1937-8-24
NEBC: 00282890 Aralia racemosa Linnaeus USA: Vermont Rutland: C. H. Knowlton 1935-8-22
NEBC: 00282908 Aralia racemosa Linnaeus USA: Massachusetts Chelmsford: C. H. Knowlton 1914-9-7
NEBC: 00282937 Aralia racemosa Linnaeus USA: Massachusetts Charlton: C. H. Knowlton 1903-7-4
NEBC: 00282938 Aralia racemosa Linnaeus USA: Massachusetts Dudley: C. H. Knowlton 1931-9-10
Aristolochiaceae
NEBC: 00735077 Aristolochia macrophylla Lamarck USA: Massachusetts Norwell: Norwell C. H. Knowlton 1932-6-6
GH: 01681974 Asarum canadense Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1926-7-25
GH: 01681972 Asarum canadense Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
GH: 01681962 Asarum canadense Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00642302 Asarum canadense Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1893-5-27
NEBC: 00642354 Asarum canadense Linnaeus USA: Vermont South Hero: South Hero C. H. Knowlton 1940-7-14
NEBC: 00642358 Asarum canadense Linnaeus USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00642365 Asarum canadense Linnaeus USA: Vermont South Burlington: South Burlington C. H. Knowlton 1913-6-27
NEBC: 00642366 Asarum canadense Linnaeus USA: Vermont Underhill: Underhill C. H. Knowlton 1926
NEBC: 00642368 Asarum canadense Linnaeus USA: Vermont Brookfield: Brookfield C. H. Knowlton 1920-6-4
NEBC: 00642370 Asarum canadense Linnaeus USA: Vermont Washington: Washington C. H. Knowlton 1932-7-12
NEBC: 00642372 Asarum canadense Linnaeus USA: Vermont Cabot: Cabot C. H. Knowlton 1915-5-27
NEBC: 00642375 Asarum canadense Linnaeus USA: Vermont Warren: Warren C. H. Knowlton 1935-7-7
NEBC: 00642376 Asarum canadense Linnaeus USA: Vermont Leicester: Leicester C. H. Knowlton 1938-5-27
NEBC: 00642378 Asarum canadense Linnaeus USA: Vermont Middlebury: Middlebury C. H. Knowlton 1933-7-25
NEBC: 00642380 Asarum canadense Linnaeus USA: Vermont New Haven: New Haven C. H. Knowlton 1932-5-25
NEBC: 00642383 Asarum canadense Linnaeus USA: Vermont Cavendish: Cavendish C. H. Knowlton 1919-7-9
NEBC: 00642390 Asarum canadense Linnaeus USA: Vermont Woodstock: Woodstock C. H. Knowlton 1916-5-10
NEBC: 00642391 Asarum canadense Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1912-5-26
NEBC: 00642393 Asarum canadense Linnaeus USA: Vermont Pittsfield: Pittsfield C. H. Knowlton 1933-7-27
NEBC: 00642395 Asarum canadense Linnaeus USA: Vermont Rutland: Rutland C. H. Knowlton 1939-5-26
NEBC: 00642396 Asarum canadense Linnaeus USA: Vermont Sudbury: Sudbury C. H. Knowlton 1928-5-27
NEBC: 00642408 Asarum canadense Linnaeus USA: Vermont Dorset: Dorset C. H. Knowlton 1940-5-22
NEBC: 00642410 Asarum canadense Linnaeus USA: Vermont East Dorset C. H. Knowlton 1925-5-20
GH: 00642423 Asarum canadense Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
NEBC: 00642424 Asarum canadense Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
NEBC: 00642436 Asarum canadense Linnaeus USA: Massachusetts Sharon: Sharon C. H. Knowlton 1907-5-19
NEBC: 00642452 Asarum canadense Linnaeus USA: Massachusetts Colrain: Colrain C. H. Knowlton 1911-7-26
NEBC: 00642458 Asarum canadense Linnaeus USA: Massachusetts Greenfield Town C. H. Knowlton 1912-5-12
NEBC: 00642476 Asarum canadense Linnaeus USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-5-22
NEBC: 00762015 Asarum canadense Linnaeus USA: Massachusetts Pittsfield: Pittsfield C. H. Knowlton 1919-5-29
GH: 01682358 Asarum caudatum Lindley USA: Washington [data not captured] C. H. Knowlton 1926-8-22
GH: 01682479 Hexastylis arifolia Small USA: North Carolina [data not captured] C. H. Knowlton 1924-4-9
GH: 01682478 Hexastylis arifolia Small USA: North Carolina [data not captured] C. H. Knowlton 1924-4-13
GH: 01682597 Hexastylis naniflora H. L. Blomquist USA: North Carolina [data not captured] C. H. Knowlton 1924-4-6
Asclepiadaceae
NEBC: 01035747 Asclepias exaltata Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1948-7-14
NEBC: 00572679 Asclepias incarnata Linnaeus USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 00572680 Asclepias incarnata Linnaeus USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 00572681 Asclepias incarnata Linnaeus USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1935-7-24
NEBC: 00572684 Asclepias incarnata Linnaeus USA: Vermont Burlington: Burlington C. H. Knowlton 1921-7-9
NEBC: 00572688 Asclepias incarnata Linnaeus USA: Vermont Colchester: Colchester C. H. Knowlton 1932-7-13
NEBC: 00572689 Asclepias incarnata Linnaeus USA: Vermont Shelburne: Shelburne C. H. Knowlton 1922-8-13
NEBC: 00572693 Asclepias incarnata Linnaeus USA: Vermont Hartland: Hartland C. H. Knowlton 1918-7-7
NEBC: 00572696 Asclepias incarnata Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 00572704 Asclepias incarnata Linnaeus USA: Vermont West Haven: West Haven C. H. Knowlton 1929-8-9
NEBC: 00572707 Asclepias incarnata Linnaeus USA: Vermont Dorset: Dorset C. H. Knowlton 1940-8-22
NEBC: 00572720 Asclepias incarnata Linnaeus USA: Massachusetts South Egremont C. H. Knowlton 1949-7-13
NEBC: 00572757 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Maine Deblois: Deblois C. H. Knowlton 1935-9-2
NEBC: 00572764 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Maine Leeds: Leeds C. H. Knowlton 1915-7-23
NEBC: 00572797 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: New Hampshire Keene: Keene C. H. Knowlton 1915-7-15
NEBC: 00572863 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Massachusetts South Weymouth C. H. Knowlton 1917-10-7
NEBC: 00572864 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Massachusetts Hingham: Hingham C. H. Knowlton 1945-7-28
NEBC: 00572865 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Massachusetts Hanson: Hanson C. H. Knowlton 1947-7-11
NEBC: 00572939 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00750164 Asclepias purpurascens Linnaeus USA: Massachusetts Littleton: Littleton C. H. Knowlton 1908-6-28
NEBC: 00750180 Asclepias purpurascens Linnaeus USA: Massachusetts Braintree: Braintree C. H. Knowlton 1922-7-9
NEBC: 00750205 Asclepias purpurascens Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00954879 Asclepias quadrifolia Jacquin USA: Massachusetts Winchester: Winchester C. H. Knowlton 1904-6-11
NEBC: 01036481 Asclepias syriaca Linnaeus USA: Massachusetts Boston: Boston, Back Bay C. H. Knowlton 1916-9-5
NEBC: 00562776 Cynanchum louiseae Kartesz & Gandhi USA: Massachusetts Barnstable Town C. H. Knowlton 1900-7-14
Asparagaceae
NEBC: 00567428 Asparagus officinalis Linnaeus USA: Vermont Isle La Motte: Isle La Motte C. H. Knowlton 1939-7-16
NEBC: 00567430 Asparagus officinalis Linnaeus USA: Vermont Shelburne: Shelburne C. H. Knowlton 1911
NEBC: 00567431 Asparagus officinalis Linnaeus USA: Vermont Shelburne: Shelburne C. H. Knowlton 1914-7-9
NEBC: 00567448 Asparagus officinalis Linnaeus USA: Massachusetts Bedford: Bedford C. H. Knowlton 1904-5-28
Aspidiaceae
GH: 00636920 Polystichum acrostichoides (Michaux) Schott USA: Maine Chesterville: Chesterville C. H. Knowlton 1899-8-15
NEBC: 00636922 Polystichum acrostichoides (Michaux) Schott USA: Maine Chesterville: Chesterville C. H. Knowlton 1937-7-31
NEBC: 00636923 Polystichum acrostichoides (Michaux) Schott USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-23
NEBC: 00636938 Polystichum acrostichoides (Michaux) Schott USA: Maine Beddington: Beddington C. H. Knowlton 1927-8-25
NEBC: 00636939 Polystichum acrostichoides (Michaux) Schott USA: Maine Codyville C. H. Knowlton 1940-8-8
NEBC: 00636940 Polystichum acrostichoides (Michaux) Schott USA: Maine Cooper: Cooper C. H. Knowlton 1928-8-23
NEBC: 00636941 Polystichum acrostichoides (Michaux) Schott USA: Maine Eaton C. H. Knowlton 1941-8-5
NEBC: 00636942 Polystichum acrostichoides (Michaux) Schott USA: Maine Indiantown C. H. Knowlton 1928-8-24
NEBC: 00636945 Polystichum acrostichoides (Michaux) Schott USA: Maine T29 MD C. H. Knowlton 1935-9-2
NEBC: 00727029 Polystichum acrostichoides (Michaux) Schott USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1915-8-24
NEBC: 00627226 Polystichum acrostichoides (Michaux) Schott USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00627227 Polystichum acrostichoides (Michaux) Schott USA: New Hampshire Pelham: Pelham C. H. Knowlton 1902-10-11
NEBC: 00627252 Polystichum acrostichoides (Michaux) Schott USA: Vermont Barton: Barton C. H. Knowlton 1926-9-28
NEBC: 00627269 Polystichum acrostichoides (Michaux) Schott USA: Vermont Charlotte: Charlotte C. H. Knowlton 1922-8-13
NEBC: 00627270 Polystichum acrostichoides (Michaux) Schott USA: Vermont South Burlington: South Burlington C. H. Knowlton 1912-6-26
NEBC: 00627275 Polystichum acrostichoides (Michaux) Schott USA: Vermont Brookfield: Brookfield C. H. Knowlton 1925-7-1
NEBC: 00627279 Polystichum acrostichoides (Michaux) Schott USA: Vermont Bristol: Bristol C. H. Knowlton 1935-7-11
NEBC: 00627283 Polystichum acrostichoides (Michaux) Schott USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
NEBC: 00634937 Polystichum acrostichoides (Michaux) Schott USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1946-8-20
NEBC: 00627667 Polystichum acrostichoides (Michaux) Schott USA: Massachusetts Winchester: Winchester C. H. Knowlton 1906-7-4
NEBC: 00695581 Polystichum acrostichoides (Michaux) Schott USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00627762 Polystichum ée (Spenner) Fée USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00627764 Polystichum ée (Spenner) Fée USA: Maine Mount Day C. H. Knowlton 1903-7-24
NEBC: 00627765 Polystichum ée (Spenner) Fée USA: Maine Mount Day C. H. Knowlton 1903-7-24
NEBC: 00627767 Polystichum ée (Spenner) Fée USA: Maine Temple: Temple C. H. Knowlton 1903-7-25
NEBC: 00727403 Polystichum ée (Spenner) Fée USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00727638 Polystichum ée (Spenner) Fée USA: Vermont Brookfield: Brookfield C. H. Knowlton 1920-6-4
NEBC: 00727640 Polystichum ée (Spenner) Fée USA: Vermont Williamstown: Williamstown C. H. Knowlton 1919-8-21
NEBC: 00727645 Polystichum ée (Spenner) Fée USA: Vermont Granville: Granville C. H. Knowlton 1926-7-28
Aspleniaceae
NEBC: 00663724 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00663725 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Vermont South Burlington: South Burlington C. H. Knowlton 1914-7-7
NEBC: 00663730 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Vermont Weybridge: Weybridge C. H. Knowlton 1939-7-14
NEBC: 00663744 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1929-8-10
NEBC: 00577782 Asplenium rhizophyllum Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1933-5-13
NEBC: 00577857 Asplenium rhizophyllum Linnaeus USA: Massachusetts Colrain: Colrain C. H. Knowlton 1911-6-10
NEBC: 00577862 Asplenium rhizophyllum Linnaeus USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-5-30
NEBC: 00681755 Asplenium ruta-muraria Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00681753 Asplenium ruta-muraria Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1924-8-6
NEBC: 00681758 Asplenium ruta-muraria Linnaeus USA: Vermont Cornwall: Cornwall C. H. Knowlton 1930-7-13
NEBC: 00681800 Asplenium ruta-muraria Linnaeus USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-5-30
NEBC: 00701120 Asplenium trichomanes Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1909-8-20
GH: 00701140 Asplenium trichomanes Linnaeus USA: Maine Day Mountain C. H. Knowlton 1903-7-24
NEBC: 00701158 Asplenium trichomanes Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1902-10-11
NEBC: 00701169 Asplenium trichomanes Linnaeus USA: Vermont Shelburne: Shelburne C. H. Knowlton 1920-5-31
NEBC: 00701168 Asplenium trichomanes Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00701180 Asplenium trichomanes Linnaeus USA: Vermont Weybridge: Weybridge C. H. Knowlton 1939-7-14
NEBC: 00701203 Asplenium trichomanes Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-26
NEBC: 00701205 Asplenium trichomanes Linnaeus USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 00681891 Asplenium trichomanes quadrivalens D. E. Meyer USA: Massachusetts Mount Toby C. H. Knowlton 1910-5-30
Asteraceae
GH: 01235527 Achillea borealis Bongard Canada: Nova Scotia [no additional data] C. H. Knowlton 1925-8-5
GH: 01235523 Achillea borealis Bongard Canada: Nova Scotia [no additional data] C. H. Knowlton 1925-8-5
NEBC: 00566726 Achillea millefolium Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1931-9-5
NEBC: 00566727 Achillea millefolium Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1934-6-17
NEBC: 00566731 Achillea millefolium Linnaeus USA: Maine Calais: Calais C. H. Knowlton 1933-6-28
NEBC: 00566732 Achillea millefolium Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00566733 Achillea millefolium Linnaeus USA: Maine Machiasport: Machiasport C. H. Knowlton 1914-7-25
NEBC: 00566735 Achillea millefolium Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1909-7-14
NEBC: 00566873 Achillea millefolium Linnaeus USA: New Hampshire Warner: Warner C. H. Knowlton 1944-8-19
NEBC: 00566899 Achillea millefolium Linnaeus USA: New Hampshire Surry: Surry C. H. Knowlton 1929-7-20
NEBC: 00566951 Achillea millefolium Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
NEBC: 00531095 Achillea millefolium Linnaeus USA: Massachusetts Yarmouth: Yarmouth C. H. Knowlton 1915-7-8
NEBC: 00531110 Achillea millefolium Linnaeus USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
GH: 00531195 Achillea ptarmica Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 581 1894
NEBC: 00531196 Achillea ptarmica Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 581 1894-8-14
NEBC: 00531201 Achillea ptarmica Linnaeus USA: Maine Danforth: Danforth C. H. Knowlton 1935-8-14
NEBC: 00531202 Achillea ptarmica Linnaeus USA: Maine Machiasport: Machiasport C. H. Knowlton 1936-8-16
NEBC: 00531203 Achillea ptarmica Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1944-7-30
NEBC: 00531227 Achillea ptarmica Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1945-8-12
NEBC: 00753188 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Maine Strong: Strong C. H. Knowlton 1902-8-25
NEBC: 00753225 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: New Hampshire Durham: Durham C. H. Knowlton 1918-9-7
NEBC: 00753234 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: New Hampshire Pelham: Pelham C. H. Knowlton 1902-9-13
NEBC: 00753244 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Barton: Barton C. H. Knowlton 1926-9-28
NEBC: 00753250 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Swanton: Swanton C. H. Knowlton 1935-9-26
NEBC: 00753255 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Stowe: Stowe C. H. Knowlton 1913-8-24
NEBC: 00753258 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Williamstown: Williamstown C. H. Knowlton 1919-8-21
NEBC: 00753274 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00753276 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 00753278 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Proctor: Proctor C. H. Knowlton 1931-9-24
NEBC: 00753279 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Rutland: Rutland C. H. Knowlton 1935-8-22
NEBC: 00753280 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Killington: Killington C. H. Knowlton 1936-8-18
NEBC: 00753313 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Natick: Natick C. H. Knowlton 1906-9-15
NEBC: 00753326 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00753340 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
NEBC: 00753342 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Shelburne: Shelburne C. H. Knowlton 1921-9-27
NEBC: 00753351 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Westfield: Westfield C. H. Knowlton 1912-9-20
NEBC: 00753356 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Lanesborough: Lanesborough C. H. Knowlton 1915-9-4
NEBC: 00753365 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Connecticut Killingly: Killingly C. H. Knowlton 1908-8-23
GH: 02141315 Agoseris glauca dasycephala (Torr. & A. Gray) Jepson USA: Montana [data not captured] C. H. Knowlton 1926-8-30
NEBC: 01023982 Ambrosia artemisiifolia Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1941-8-14
NEBC: 01023987 Ambrosia artemisiifolia Linnaeus USA: Maine Baring C. H. Knowlton 1938-8-16
NEBC: 01023989 Ambrosia artemisiifolia Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 01023990 Ambrosia artemisiifolia Linnaeus USA: Maine Marshfield: Marshfield C. H. Knowlton 1944-8-7
NEBC: 01023991 Ambrosia artemisiifolia Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 01023992 Ambrosia artemisiifolia Linnaeus USA: Maine Wesley: Wesley C. H. Knowlton 1931-8-13
NEBC: 01037270 Ambrosia artemisiifolia Linnaeus USA: Massachusetts Boston: Dorchester C. H. Knowlton 1908-10-4
NEBC: 00566503 Ambrosia psilostachya de Candolle USA: Massachusetts Eastham: Eastham C. H. Knowlton 1932-8-31
NEBC: 00566510 Ambrosia trifida Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1915-7-27
NEBC: 01066018 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Phillips: Phillips C. H. Knowlton 1924-8-13
NEBC: 01066027 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine T29 MD C. H. Knowlton 1939-8-12
NEBC: 01066028 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine T14 ED C. H. Knowlton 1939-8-14
NEBC: 01066029 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine T24 MD C. H. Knowlton 1936-8-11
NEBC: 01066030 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Addison: Addison C. H. Knowlton 1935-8-12
NEBC: 01066031 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01066032 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Beddington: Beddington C. H. Knowlton 1924-9-2
NEBC: 01066033 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Calais: Calais C. H. Knowlton 1940-8-1
NEBC: 01066034 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 01066037 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Cooper: Cooper C. H. Knowlton 1919-8-9
NEBC: 01066039 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01066040 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Kossuth C. H. Knowlton 1940-8-7
NEBC: 01066044 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 01066047 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Waite: Waite C. H. Knowlton 1940-8-7
NEBC: 01065127 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Leeds: Leeds C. H. Knowlton 1915-7-23
NEBC: 01007057 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Vermont Barton: Barton C. H. Knowlton 1926-9-28
NEBC: 01007071 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Vermont Barnard: Barnard C. H. Knowlton 1932-9-28
GH: 01007099 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Massachusetts Groton: Groton C. H. Knowlton 1906-8-12
NEBC: 01007111 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Massachusetts Boston: W. [West] Roxbury C. H. Knowlton 1906-8-25
NEBC: 01007117 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Massachusetts Abington: Abington C. H. Knowlton 1946-9-13
NEBC: 01583553 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Vermont Hubbardton: [no data] C. H. Knowlton 1947-8-19
GH: 01065267 Antennaria howellii canadensis (Greene) Bayer USA: Maine Farmington: Farmington C. H. Knowlton 1897-6-20
NEBC: 01065269 Antennaria howellii canadensis (Greene) Bayer USA: Maine Farmington: Farmington C. H. Knowlton 1897-6-20
NEBC: 01065270 Antennaria howellii canadensis (Greene) Bayer USA: Maine Farmington: Farmington C. H. Knowlton 1897-6-20
NEBC: 01065276 Antennaria howellii canadensis (Greene) Bayer USA: Maine Baring C. H. Knowlton 1933-6-29
NEBC: 01065277 Antennaria howellii canadensis (Greene) Bayer USA: Maine Calais: Calais C. H. Knowlton 1933-6-28
NEBC: 01065279 Antennaria howellii canadensis (Greene) Bayer USA: Maine Machias: Machias C. H. Knowlton 1933-6-25
NEBC: 01065280 Antennaria howellii canadensis (Greene) Bayer USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1907-7-5
NEBC: 01065309 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Coventry: Coventry C. H. Knowlton 1932-5-20
NEBC: 01065310 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Albany: Albany C. H. Knowlton 1932-5-19
NEBC: 01065313 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Newport C. H. Knowlton 1913-6-7
NEBC: 01065328 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Georgia: Georgia C. H. Knowlton 1938-5-25
NEBC: 01065333 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 01065334 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Burlington: Burlington C. H. Knowlton 1914
NEBC: 01065341 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Hartland: Hartland C. H. Knowlton 1921-5-8
NEBC: 01065350 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Sudbury: Sudbury C. H. Knowlton 1928-5-27
NEBC: 01065366 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Dorset: Dorset C. H. Knowlton 1940-5-22
NEBC: 01007300 Antennaria howellii canadensis (Greene) Bayer USA: Massachusetts Chelmsford: N. [North] Chelmsford C. H. Knowlton 1906-5-30
NEBC: 01007325 Antennaria howellii canadensis (Greene) Bayer USA: Massachusetts Norwood: Norwood C. H. Knowlton 1907-5-25
NEBC: 01007332 Antennaria howellii canadensis (Greene) Bayer USA: Massachusetts Weymouth Town C. H. Knowlton 1928-7-29
NEBC: 01007340 Antennaria howellii canadensis (Greene) Bayer USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 01007365 Antennaria howellii canadensis (Greene) Bayer USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01007472 Antennaria howellii neodioica (Greene) Bayer USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-17
NEBC: 01007521 Antennaria howellii neodioica (Greene) Bayer USA: New Hampshire Pelham: Pelham C. H. Knowlton 1907-6-17
NEBC: 01007536 Antennaria howellii neodioica (Greene) Bayer USA: New Hampshire Marlboro C. H. Knowlton 1918-5-18
NEBC: 01065512 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Burlington: Burlington C. H. Knowlton 1912-6-27
NEBC: 01065534 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-26
NEBC: 01065537 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 01065553 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Sudbury: Sudbury C. H. Knowlton 1928-5-27
NEBC: 01065568 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 01065584 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Ashby: Ashby C. H. Knowlton 1914-5-30
NEBC: 01065587 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Carlisle: Carlisle C. H. Knowlton 1904-5-28
NEBC: 01065594 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Sudbury: Sudbury C. H. Knowlton 1918-5-24
NEBC: 01065600 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Waltham: Waltham C. H. Knowlton 1908-5-17
NEBC: 01007565 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1926-6-10
NEBC: 01007576 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01066169 Antennaria howellii petaloidea (Fernald) Bayer USA: Maine Farmington: Farmington C. H. Knowlton 1897-6-20
NEBC: 01007185 Antennaria howellii petaloidea (Fernald) Bayer USA: Vermont Albany: Albany C. H. Knowlton 1932-5-19
NEBC: 01007198 Antennaria howellii petaloidea (Fernald) Bayer USA: Vermont South Hero: South Hero C. H. Knowlton 1933-5-13
NEBC: 01007201 Antennaria howellii petaloidea (Fernald) Bayer USA: Vermont Cabot: Cabot C. H. Knowlton 1915-5-27
GH: 01007278 Antennaria neglecta Greene USA: Maine Farmington: Farmington C. H. Knowlton 1897-6-20
NEBC: 01007279 Antennaria neglecta Greene USA: Maine Farmington: Farmington C. H. Knowlton 1897-6-20
NEBC: 01007788 Antennaria neglecta Greene USA: Vermont Coventry: Coventry C. H. Knowlton 1932-5-20
NEBC: 01007794 Antennaria neglecta Greene USA: Vermont Georgia: Georgia C. H. Knowlton 1938-5-25
NEBC: 01007795 Antennaria neglecta Greene USA: Vermont South Hero: South Hero C. H. Knowlton 1933-5-13
NEBC: 01007819 Antennaria neglecta Greene USA: Vermont Waltham: Waltham C. H. Knowlton 1939-5-19
NEBC: 01007823 Antennaria neglecta Greene USA: Vermont Hartland: Hartland C. H. Knowlton 1916-5-9
NEBC: 01007844 Antennaria neglecta Greene USA: Vermont Dorset: Dorset C. H. Knowlton 1940-5-22
NEBC: 01007847 Antennaria neglecta Greene USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 01007873 Antennaria neglecta Greene USA: Massachusetts Waltham: Waltham C. H. Knowlton 1907-5-11
NEBC: 01007876 Antennaria neglecta Greene USA: Massachusetts Winchester: Winchester C. H. Knowlton 1907-5-18
NEBC: 01007946 Antennaria neglecta Greene USA: Massachusetts Greenfield: Greenfield C. H. Knowlton 1912-5-12
NEBC: 01007963 Antennaria neglecta Greene USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01053296 Antennaria parlinii Fernald USA: New Hampshire Durham: Durham C. H. Knowlton 1917-7-1
NEBC: 01053315 Antennaria parlinii Fernald USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 01065704 Antennaria parlinii Fernald USA: Vermont Burlington: Burlington C. H. Knowlton 1915-5-24
NEBC: 01065707 Antennaria parlinii Fernald USA: Vermont Shelburne: Shelburne C. H. Knowlton 1913-6-25
NEBC: 01065744 Antennaria parlinii Fernald USA: Massachusetts Carlisle: Carlisle C. H. Knowlton 1904-5-28
NEBC: 01065764 Antennaria parlinii Fernald USA: Massachusetts Dudley: Dudley C. H. Knowlton 1900-6-10
NEBC: 01065786 Antennaria parlinii Fernald USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1926-6-10
NEBC: 01065855 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: New Hampshire Marlow: Marlow C. H. Knowlton 1917-6-9
NEBC: 01065858 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Vermont Barton: Barton C. H. Knowlton 1912-6-15
NEBC: 01065893 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Vermont Brandon: Brandon C. H. Knowlton 1912-5-25
NEBC: 01065913 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 01053700 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Winchester: Winchester C. H. Knowlton 1907-5-18
NEBC: 01053710 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Norwood: Norwood C. H. Knowlton 1907-5-25
NEBC: 01053741 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 01053783 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1926-6-10
NEBC: 01053784 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1926-6-10
NEBC: 01065924 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Connecticut Thompson: Thompson C. H. Knowlton 1900
NEBC: 01037076 Antennaria plantaginifolia (Linnaeus) Hooker USA: Vermont Brandon: Brandon C. H. Knowlton 1912-5-26
NEBC: 01023056 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Winchester: Winchester C. H. Knowlton 1907-5-18
NEBC: 01023057 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Woburn: Woburn C. H. Knowlton 1907-5-18
NEBC: 01023089 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Halifax: Halifax C. H. Knowlton 1907-5-30
NEBC: 01023092 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-5-30
NEBC: 01053477 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 01053507 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Warren: Warren C. H. Knowlton 1907-6-9
NEBC: 01053508 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Warren: Warren C. H. Knowlton 1907-6-9
NEBC: 01053518 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Greenfield Town C. H. Knowlton 1912-5-12
NEBC: 01053542 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01053543 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01053545 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 01053546 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00531307 Anthemis cotula Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 293
NEBC: 00531311 Anthemis cotula Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00531312 Anthemis cotula Linnaeus USA: Maine Baileyville: Baileyville C. H. Knowlton 1941-7-29
NEBC: 00531317 Anthemis cotula Linnaeus USA: Maine Robbinston: Robbinston C. H. Knowlton 1931-8-29
NEBC: 00531373 Anthemis cotula Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00531382 Anthemis cotula Linnaeus USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1935-7-24
NEBC: 00531409 Anthemis cotula Linnaeus USA: Massachusetts Groton: Groton C. H. Knowlton 1906-8-12
NEBC: 00531436 Anthemis cotula Linnaeus USA: Massachusetts Barnstable Town C. H. Knowlton 1910-7-14
NEBC: 00566182 Arctium lappa Linnaeus USA: Vermont Stowe: Stowe C. H. Knowlton 1913-8-24
NEBC: 00587123 Arctium lappa Linnaeus USA: Vermont Randolph: Randolph C. H. Knowlton 1944-8-17
NEBC: 00587124 Arctium lappa Linnaeus USA: Vermont Williamstown: Williamstown C. H. Knowlton 1919-8-21
NEBC: 00587126 Arctium lappa Linnaeus USA: Vermont Montpelier: Montpelier C. H. Knowlton 1915-8-18
NEBC: 00587134 Arctium lappa Linnaeus USA: Vermont Benson: Benson C. H. Knowlton 1929-8-10
NEBC: 00587144 Arctium lappa Linnaeus USA: Massachusetts Medford: Medford C. H. Knowlton 1903-10-3
NEBC: 00566222 Arctium minus (Hill) Bernhardi USA: Maine Farmington: Farmington C. H. Knowlton 323 1894
NEBC: 00566227 Arctium minus (Hill) Bernhardi USA: Maine Danforth: Danforth C. H. Knowlton 1935-8-14
NEBC: 00566229 Arctium minus (Hill) Bernhardi USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00566231 Arctium minus (Hill) Bernhardi USA: Maine Robbinston: Robbinston C. H. Knowlton 1932-8-2
NEBC: 00587174 Arctium minus (Hill) Bernhardi USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1915-8-24
NEBC: 00566254 Arctium minus (Hill) Bernhardi USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 00566255 Arctium minus (Hill) Bernhardi USA: Vermont Proctor: Proctor C. H. Knowlton 1913-8-28
NEBC: 00566258 Arctium minus (Hill) Bernhardi USA: Vermont East Dorset C. H. Knowlton 1924-9-24
NEBC: 00587198 Arctium minus (Hill) Bernhardi USA: Massachusetts Waltham: Waltham C. H. Knowlton 1907-8-10
NEBC: 00587206 Arctium minus (Hill) Bernhardi USA: Massachusetts Boston: Boston, Fenway C. H. Knowlton 1906-8-2
NEBC: 01690431 Arctium minus (Hill) Bernhardi USA: Vermont Fair Haven: [no data] C. H. Knowlton 1946-8-20
NEBC: 00735129 Arctium tomentosum Miller USA: Maine Strong: Strong C. H. Knowlton 1904-8-31
NEBC: 00735131 Arctium tomentosum Miller USA: Maine Farmingdale: Farmingdale C. H. Knowlton 1917-8-8
NEBC: 00531500 Artemisia absinthium Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-14
NEBC: 00531535 Artemisia absinthium Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1912-7-28
NEBC: 00531585 Artemisia biennis Willdenow USA: Maine Farmington: Farmington C. H. Knowlton 1894
GH: 00968082 Artemisia campestris canadensis (Michaux) Scoggan Canada: New Brunswick St. Hilaire C. H. Knowlton 1904-7-9
GH: 00968064 Artemisia campestris canadensis (Michaux) Scoggan Canada: Quebec Province Paspébiac C. H. Knowlton 1939-8-7
GH: 00968063 Artemisia campestris canadensis (Michaux) Scoggan Canada: Quebec Province Cap Rénard, Gaspé Co. C. H. Knowlton 1939-8-4
NEBC: 00725590 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Maine Old Orchard Beach: Old Orchard Beach C. H. Knowlton 1903-7-31
GH: 00968268 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Indiana Dune Park C. H. Knowlton 1933-9-2
GH: 00988064 Artemisia frigida Willdenow Canada: Quebec Province Cap Chat C. H. Knowlton 1939-8-4
GH: 00988324 Artemisia ludoviciana Nuttall Canada: Saskatchewan Moose Jaw C. H. Knowlton 1926-8-7
NEBC: 00531693 Artemisia pontica Linnaeus USA: Massachusetts Cumberland C. H. Knowlton 1911-5-30
GH: 01234521 Artemisia stelleriana Besser Canada: Quebec Province Côte-Nord (Quebec): St. Coeur C. H. Knowlton 1939-8-3
NEBC: 00531714 Artemisia stelleriana Besser USA: Maine Rye C. H. Knowlton 1944-6-28
NEBC: 00531741 Artemisia stelleriana Besser USA: Massachusetts Barnstable Town C. H. Knowlton 1905-7-16
GH: 01234563 Artemisia suksdorfii Piper USA: Washington Seattle: [no additional data] C. H. Knowlton 1926-8-16
GH: 01234968 Artemisia vulgaris Linnaeus Canada: Quebec Province Sherbrooke: [no additional data] C. H. Knowlton 1923-7
NEBC: 00531809 Artemisia vulgaris Linnaeus USA: Maine Strong: Strong C. H. Knowlton
NEBC: 00531813 Artemisia vulgaris Linnaeus USA: Maine Vanceboro: Vanceboro C. H. Knowlton 1940-8-8
NEBC: 00531865 Artemisia vulgaris Linnaeus USA: Vermont Wells: Wells C. H. Knowlton 1912-8-24
NEBC: 00531897 Artemisia vulgaris Linnaeus USA: Massachusetts Boston: S. [South] Boston C. H. Knowlton 1908-7-29
NEBC: 00531811 Artemisia vulgaris Linnaeus USA: Maine C. H. Knowlton 1935-8-15
GH: 01079354 Aster sp. USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1902-9-16
NEBC: 01021572 Baccharis halimifolia Linnaeus USA: Massachusetts Marion: Marion C. H. Knowlton 1932
NEBC: 00566463 Bellis perennis Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1946-6-22
GH: 01066718 Bidens beckii Torrey USA: Maine Chesterville: Chesterville C. H. Knowlton 970 1899-8-16
NEBC: 01066740 Bidens beckii Torrey USA: Maine East Machias: East Machias C. H. Knowlton 1935-8-7
NEBC: 01066768 Bidens beckii Torrey USA: Vermont Woodbury: Woodbury C. H. Knowlton 1940-7-16
NEBC: 01066837 Bidens cernua Linnaeus USA: Maine Jay: Jay C. H. Knowlton 1932-8-27
NEBC: 01066849 Bidens cernua Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1939-8-17
NEBC: 01066850 Bidens cernua Linnaeus USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 01066851 Bidens cernua Linnaeus USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 01066852 Bidens cernua Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1929-9-9
NEBC: 01066855 Bidens cernua Linnaeus USA: Maine Marshfield: Marshfield C. H. Knowlton 1934-9-13
NEBC: 01066987 Bidens cernua Linnaeus USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1917-8-28
NEBC: 01038032 Bidens cernua Linnaeus USA: Vermont Danville: Danville C. H. Knowlton 1939-9-21
NEBC: 01038036 Bidens cernua Linnaeus USA: Vermont Stowe: Stowe C. H. Knowlton 1913-8-24
NEBC: 01038038 Bidens cernua Linnaeus USA: Vermont Williston: Williston C. H. Knowlton 1927-9-22
NEBC: 01038043 Bidens cernua Linnaeus USA: Vermont Sharon: Sharon C. H. Knowlton 1932-9-29
NEBC: 01037376 Bidens cernua Linnaeus USA: Massachusetts Canton: Canton C. H. Knowlton 1908-9-27
NEBC: 01037382 Bidens cernua Linnaeus USA: Massachusetts Kingston: Kingston C. H. Knowlton 1910-9-11
NEBC: 01037549 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Boston: Dorchester C. H. Knowlton 1908-10-4
NEBC: 01037553 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Canton: Canton C. H. Knowlton 1933-9-15
NEBC: 01037569 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Scituate: Scituate C. H. Knowlton 1914-9-13
NEBC: 01038174 Bidens discoidea (Torrey & A. Gray) Britton USA: Massachusetts Boston: Hyde Park, Neponset River C. H. Knowlton 1908-9-19
NEBC: 02577867 Bidens discoidea (Torrey & A. Gray) Britton USA: Massachusetts Plympton: [no additional data] C. H. Knowlton 1948-9-19
NEBC: 01037678 Bidens frondosa Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 01037679 Bidens frondosa Linnaeus USA: Maine Crawford: Crawford C. H. Knowlton 1932-8-9
NEBC: 01037680 Bidens frondosa Linnaeus USA: Maine Edmunds C. H. Knowlton 1928-8-18
NEBC: 01037681 Bidens frondosa Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01037682 Bidens frondosa Linnaeus USA: Maine Harrington: Harrington C. H. Knowlton 1932-8-18
NEBC: 01037683 Bidens frondosa Linnaeus USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 01037684 Bidens frondosa Linnaeus USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 01037685 Bidens frondosa Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1919-8-3
NEBC: 01037686 Bidens frondosa Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 01037687 Bidens frondosa Linnaeus USA: Maine T30 MD C. H. Knowlton 1935-9-2
NEBC: 01037688 Bidens frondosa Linnaeus USA: Maine Perry: Perry C. H. Knowlton 1934-9-1
NEBC: 01037689 Bidens frondosa Linnaeus USA: Maine Robbinston: Robbinston C. H. Knowlton 1932-8-2
NEBC: 01037690 Bidens frondosa Linnaeus USA: Maine Topsfield: Topsfield C. H. Knowlton 1935-8-14
NEBC: 01037758 Bidens frondosa Linnaeus USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1917-8-28
NEBC: 01037759 Bidens frondosa Linnaeus USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1921-8-17
NEBC: 01037788 Bidens frondosa Linnaeus USA: Vermont Barton: Barton C. H. Knowlton 1926-9-28
NEBC: 01037793 Bidens frondosa Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 01037794 Bidens frondosa Linnaeus USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 01037795 Bidens frondosa Linnaeus USA: Vermont Pawlet: Pawlet C. H. Knowlton 1921-9-28
NEBC: 01028008 Bidens frondosa Linnaeus USA: Massachusetts Weymouth Town C. H. Knowlton 1918-9-2
NEBC: 01038251 Bidens frondosa Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01038261 Bidens frondosa Linnaeus USA: Massachusetts Upton: Upton C. H. Knowlton 1917-9-14
NEBC: 02577184 Bidens frondosa Linnaeus USA: Massachusetts Abington: [no additional data] C. H. Knowlton 1946-9-13
NEBC: 02577875 Bidens frondosa Linnaeus USA: Maine Farmington: Sandy River C. H. Knowlton 1948-8-27
NEBC: 01037837 Bidens laevis (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1901-9-19
NEBC: 01037842 Bidens laevis (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Boston: Hyde Park C. H. Knowlton 1908-9-19
NEBC: 01037858 Bidens laevis (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Hingham: Hingham C. H. Knowlton 1936-9-6
NEBC: 00566702 Bidens tripartita Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1917-9-27
NEBC: 01008003 Bidens vulgata Greene USA: Maine Farmington: Farmington C. H. Knowlton 1931-9-5
NEBC: 01008005 Bidens vulgata Greene USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 01008046 Bidens vulgata Greene USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 01008061 Bidens vulgata Greene USA: Vermont Danville: Danville C. H. Knowlton 1939-9-21
NEBC: 01008063 Bidens vulgata Greene USA: Vermont Wells: Wells C. H. Knowlton 1912-8-24
NEBC: 01008066 Bidens vulgata Greene USA: Vermont Brandon: Brandon C. H. Knowlton 1924-9-26
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