Aceraceae A: 01791888 Acer negundo Linnaeus USA: Pennsylvania bank of the river near Shawmont A. MacElwee 2154 1901-4-18
A: 01791889 Acer negundo Linnaeus USA: Pennsylvania near Flat-Rock Tunnel; West Manayunk A. MacElwee 534 1899-6-16
GH: 01791897 Acer negundo Linnaeus USA: Pennsylvania near Flat Rock Tunnel. West Manayunk A. MacElwee 534 1899-6-16
A: 01792718 Acer platanoides Linnaeus USA: Pennsylvania Haverford Township A. MacElwee 928 1899-7-24
GH: 01792722 Acer platanoides Linnaeus USA: Pennsylvania Haverford Township A. MacElwee 928 1899-7-24
A: 01793150 Acer rubrum Linnaeus USA: New Jersey Mantua A. MacElwee 2194 1901-5-7
A: 01793267 Acer rubrum Linnaeus USA: Pennsylvania 52nd St. West Phila. A. MacElwee 01303 1893-4-5
A: 01793268 Acer rubrum Linnaeus USA: Pennsylvania Haddington, West Philad. A. MacElwee 2254 1901-5-26
A: 01793269 Acer rubrum Linnaeus USA: Pennsylvania Tullytown A. MacElwee 347 1899-5-29
GH: 01793287 Acer rubrum Linnaeus USA: Pennsylvania 52nd Street, West Philadelphia A. MacElwee 1893-4-11
GH: 01793296 Acer rubrum Linnaeus USA: Pennsylvania Tullytown A. MacElwee 347 1899-5-29
GH: 01793301 Acer rubrum Linnaeus USA: Pennsylvania 52nd St. woods, West Philadelphia A. MacElwee 269 1899-5-22
A: 01793309 Acer rubrum Linnaeus USA: Pennsylvania 52nd St. woods; West Philadelphia A. MacElwee 269 1899-5-22
A: 01794008 Acer saccharinum Linnaeus USA: Pennsylvania Philadelphia: Philadelphia A. MacElwee 1899-4-15
A: 01794009 Acer saccharinum Linnaeus USA: Pennsylvania Haddington. West Philadelphia A. MacElwee 2218 1901-5-13
A: 01794010 Acer saccharinum Linnaeus USA: Pennsylvania Along Cobbs Creek. West Phila. (63rd & Marke... A. MacElwee 59 1899-4-29
GH: 01794538 Acer saccharum Marshall USA: Pennsylvania near Eagle Hotel, Haverford Township A. MacElwee 356 1899-5-30
A: 01794548 Acer saccharum Marshall USA: Pennsylvania near Eagle Hotel A. MacElwee 356 1899-5-30
GH: 01794986 Acer spicatum Lamarck USA: Pennsylvania Nockamixon A. MacElwee 1893-5-28
A: 01795001 Acer spicatum Lamarck USA: Pennsylvania Narrowsville A. MacElwee 01652 1893-5-28
Aizoaceae GH: 01681126 Mollugo verticillata Linnaeus USA: Pennsylvania [data not captured] A. MacElwee 998 1899-7-28
Amaranthaceae GH: 01928917 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: New Jersey along Delaware River Kaighns Point A. MacElwee 1299 1899-9-4
Apocynaceae GH: 02179448 Apocynum androsaemifolium Linnaeus USA: New Jersey Forked River A. MacElwee 1895-6-22
GH: 02179447 Apocynum androsaemifolium Linnaeus USA: New Jersey Davenport A. MacElwee 612 1899-6-20
GH: 02178035 Apocynum cannabinum Linnaeus USA: Pennsylvania near Overbrook A. MacElwee 1899-9-30
Araceae GH: 01654279 Arisaema triphyllum (Linnaeus) Schott USA: Pennsylvania Back of Eagle Hotel, Haverford Township A. MacElwee 87 1899-5-4
GH: 01627860 Peltandra virginica (Linnaeus) Rafinesque ex Schott USA: Pennsylvania along shore of Delaware River, Tinicum A. MacElwee 525 1899-6-12
Aristolochiaceae GH: 01681805 Aristolochia serpentaria Linnaeus USA: Pennsylvania [data not captured] A. MacElwee 744 1899-6-28
Asclepiadaceae GH: 00993428 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Pennsylvania Tullytown A. MacElwee 1893-7-22
GH: 00961239 Asclepias quadrifolia Jacquin USA: Pennsylvania Rockhill A. MacElwee 1893-6-18
GH: 01082653 Asclepias verticillata Linnaeus USA: Pennsylvania near Newtown Square A. MacElwee 1503 1899-10-9
Aspleniaceae GH: 02070566 Asplenium trudellii Wherry USA: Pennsylvania Tucquan A. MacElwee 684 1899-6-26
Asteraceae GH: 02188623 Conoclinium coelestinum (Linnaeus) de Candolle USA: Pennsylvania around York Furnace A. MacElwee 1148 1899-8-29
Betulaceae GH: 02198258 Alnus glutinosa (Linnaeus) Gaertner USA: Pennsylvania along Darby Creek, Haverford Township A. MacElwee 1890a 1901-4-18
GH: 02198257 Alnus glutinosa (Linnaeus) Gaertner USA: Pennsylvania on Indian River, West Philadelphia A. MacElwee 2141 1901-4-7
A: 02198255 Alnus glutinosa (Linnaeus) Gaertner USA: Pennsylvania Near Overbrook A. MacElwee 2141a 1901-6-24
A: 02071778 Corylus americana Walter USA: Pennsylvania [data not captured] A. MacElwee 2157 1901-4-18
GH: 02071768 Corylus americana Walter USA: Pennsylvania [data not captured] A. MacElwee 2157 1901-4-18
Bignoniaceae GH: 02054751 Catalpa bignonioides Walter USA: Pennsylvania Haverford Township A. MacElwee 565 1899-6-16
Boraginaceae GH: 02026141 Cynoglossum officinale Linnaeus USA: Pennsylvania York Furnace A. MacElwee 234 1899-5-14
GH: 02026384 Echium vulgare Linnaeus USA: Maryland Perryville A. MacElwee 660 1899-6-26
GH: 01873272 Myosotis verna Nuttall USA: Pennsylvania Tinicum A. MacElwee 01410 1893-5-20
Campanulaceae GH: 01795831 Campanula rapunculoides Linnaeus USA: Pennsylvania Willow Grove A. MacElwee 800 1899-7-12
GH: 01954938 Triodanis perfoliata (Linnaeus) Nieuwland USA: Pennsylvania Tullytown A. MacElwee 451 1899-6-6
Caprifoliaceae GH: 02038780 Lonicera japonica Thunberg USA: Pennsylvania Along the P.W. & B.R.R. near Grays Ferry, We... A. MacElwee 1894-6-4
GH: 02036516 Symphoricarpos orbiculatus Moench USA: Pennsylvania Philadelphia: Bartram's Garden. West Phila. A. MacElwee 1611 1899-11-7
Caryophyllaceae GH: 01753023 Silene noctiflora Linnaeus USA: Pennsylvania Walnut Hill A. MacElwee 1897-6-26
Celastraceae GH: 00295419 Celastrus scandens Linnaeus USA: New Jersey [data not captured] A. MacElwee 2072 1900-9-25
Chenopodiaceae GH: 01826545 Atriplex prostrata Boucher ex de Candolle USA: New Jersey [data not captured] A. MacElwee 1450 1899-10-3
GH: 01826543 Atriplex prostrata Boucher ex de Candolle USA: New Jersey [data not captured] A. MacElwee 1418 1899-10-2
GH: 01826702 Atriplex rosea Linnaeus USA: New Jersey [data not captured] A. MacElwee 1305 1899-9-6
GH: 01782829 Chenopodium standleyanum Aellen USA: Pennsylvania [data not captured] A. MacElwee 1108 1899-8-17
GH: 01783820 Salsola kali caroliniana (Walter) Nuttall USA: New Jersey [data not captured] A. MacElwee 1420 1899-10-2
Commelinaceae GH: 02098128 Tradescantia virginiana Linnaeus USA: Pennsylvania [data not captured] A. MacElwee 208 1899-5-14
Convolvulaceae GH: 02055421 Calystegia sepium angulata Brummitt USA: Pennsylvania Philadelphia: West Philadelphia A. MacElwee 1094 1899-8-17
GH: 02055356 Calystegia sepium americana (Sims) Brummitt USA: Pennsylvania Tinicum A. MacElwee 526 1899-6-12
GH: 02055850 Convolvulus arvensis Linnaeus USA: Pennsylvania 56 & Master Sts., West Philadelphia A. MacElwee 578 1899-6-19
GH: 02056311 Cuscuta compacta Jussieu ex Choisy USA: Pennsylvania Hartman's Island, Tucquan A. MacElwee 1209 1899-8-31
GH: 02042037 Ipomoea hederacea Jacquin USA: Pennsylvania Philadelphia: West Philadelphia A. MacElwee 1097 1899-8-17
GH: 02042358 Ipomoea pandurata Conzatti & L. C. Smith USA: New Jersey Clementon A. MacElwee 1042 1899-8-2
GH: 02042362 Ipomoea pandurata Conzatti & L. C. Smith USA: Pennsylvania along the Schuylkill River at West Manayunk A. MacElwee 1053 1899-8-11
Cornaceae A: 01844255 Cornus amomum Miller USA: Pennsylvania around York Furnace, Bair's Id. A. MacElwee 1196 1899-8-30
GH: 01843817 Cornus amomum Miller USA: New Jersey Fancy Hill A. MacElwee 1894-9-27
A: 01843811 Cornus amomum Miller USA: New Jersey Toms River A. MacElwee 626 1859-6-20
GH: 01843860 Cornus amomum Miller USA: Pennsylvania West Conshohocken A. MacElwee 1892-6-26
A: 01843857 Cornus amomum Miller USA: Pennsylvania West Manayunk A. MacElwee 552 1899-6-16
A: 01843849 Cornus amomum Miller USA: Pennsylvania West Conshohocken A. MacElwee 1892-6-26
A: 01845714 Cornus florida Linnaeus USA: Pennsylvania Crescentville A. MacElwee 138 1899-5-9
A: 01845715 Cornus florida Linnaeus USA: Pennsylvania Overbrook A. MacElwee 1371 1899-9-30
A: 02018316 Cornus racemosa Lamarck USA: Pennsylvania Tinicum A. MacElwee 524 1899-6-12
A: 02018305 Cornus racemosa Lamarck USA: Pennsylvania [data not captured] A. MacElwee 1537 1899-10-11
Cucurbitaceae GH: 01544119 Echinocystis lobata (Michaux) Torrey & A. Gray USA: Pennsylvania Near Queen Lane Station, Germantown A. MacElwee 1894-8-22
Cyperaceae GH: 02367237 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Pennsylvania [data not captured] A. MacElwee 996 1899-7-28
GH: 02391152 Carex atlantica L. H. Bailey USA: New Jersey [data not captured] A. MacElwee 1905-5-28
GH: 01775863 Carex squarrosa Linnaeus USA: Pennsylvania [data not captured] A. MacElwee 1892-6-19
Dysphaniaceae GH: 01784241 Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants USA: New Jersey [data not captured] A. MacElwee 1426 1899-10-2
Ericaceae GH: 01536472 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: New Jersey Davenport A. MacElwee 613 1899-6-20
GH: 01537944 Chamaedaphne calyculata (Linnaeus) Moench USA: New Jersey Browne Mills A. MacElwee 1905-4-16
GH: 01537946 Chamaedaphne calyculata (Linnaeus) Moench USA: New Jersey Cedar Brook A. MacElwee 1894-3-31
GH: 01562100 Chimaphila maculata (Linnaeus) Pursh USA: Pennsylvania on the Potsdam Sandstone Formation at Willow... A. MacElwee 1899-7-5
GH: 01591583 Eubotrys racemosa (Linnaeus) Nuttall USA: Pennsylvania Philadelphia: West Philadelphia. 52nd Street... A. MacElwee 270 1899-5-22
GH: 01591589 Eubotrys racemosa (Linnaeus) Nuttall USA: New Jersey Davenport A. MacElwee 1899-6-20
A: 01592554 Gaylussacia baccata (Wangenheim) K. Koch USA: Pennsylvania on the Potsdam Sandstone Formation at Willow... A. MacElwee 309 1899-5-25
GH: 01592592 Gaylussacia baccata (Wangenheim) K. Koch USA: Pennsylvania on the Potsdam Sandstone Formation at Willow... A. MacElwee 309 1899-5-25
GH: 01593584 Kalmia angustifolia Linnaeus USA: New Jersey Forked River [Lacey Township] A. MacElwee 1895-6-22
GH: 01593645 Kalmia angustifolia Linnaeus USA: Pennsylvania near Tullytown A. MacElwee 449 1899-6-6
GH: 01594039 Kalmia latifolia Linnaeus USA: New Jersey Cedar Brook A. MacElwee 1892-10-2
GH: 01594665 Leiophyllum buxifolium (Bergius) Elliott USA: New Jersey Cedar Brook A. MacElwee 1893-6-4
GH: 01718330 Lyonia mariana (Linnaeus) D. Don USA: New Jersey Davenport. A. MacElwee 1899-6-20
GH: 01719321 Monotropa hypopitys Linnaeus USA: Pennsylvania Willow Grove A. MacElwee 1343 1899-9-29
GH: 01683761 Pyrola americana Sweet USA: Pennsylvania [data not captured] A. MacElwee 780 1899-7-5
A: 01762303 Rhododendron arborescens (Pursh) Torrey USA: Pennsylvania [data not captured] A. MacElwee 720 1899-6-27
GH: 01762309 Rhododendron arborescens (Pursh) Torrey USA: Pennsylvania [data not captured] A. MacElwee 676 1899-6-26
A: 01764309 Rhododendron maximum Linnaeus USA: Pennsylvania [data not captured] A. MacElwee 702 1899-6-26
A: 01764310 Rhododendron maximum Linnaeus USA: Pennsylvania [data not captured] A. MacElwee 702 1899-6-26
A: 01764735 Rhododendron periclymenoides (Michaux) Shinners USA: Pennsylvania [data not captured] A. MacElwee 1648 1900-5-17
GH: 01765600 Rhododendron viscosum (Linnaeus) Torrey USA: New Jersey [data not captured] A. MacElwee 599 1899-6-20
Gentianaceae GH: 02069445 Centaurium pulchellum (Swartz) Druce USA: Pennsylvania York Furnace A. MacElwee 752 1889-6-27
GH: 02072295 Gentiana andrewsii Grisebach USA: Pennsylvania Rockhill A. MacElwee 1527a
GH: 02166021 Gentianopsis crinita (Froelich) Ma USA: Pennsylvania Williamson School A. MacElwee 1468 1899-10-5
GH: 02166020 Gentianopsis crinita (Froelich) Ma USA: Pennsylvania Rockhill A. MacElwee 1528
GH: 02165054 Obolaria virginica Linnaeus USA: Pennsylvania Falls of French Creek A. MacElwee 1892-5-22
GH: 02165633 Sabatia campanulata (Linnaeus) Torrey USA: Pennsylvania Tullytown A. MacElwee 1894-7-28
Iridaceae GH: 01747574 Iris ochroleuca Linnaeus USA: New Jersey w. of Rancocas Creek, s. of Railroad New Lis... A. MacElwee 970 1899-7-26
GH: 01748162 Iris versicolor Linnaeus USA: Pennsylvania Canal banks. Tullytown A. MacElwee 350 1899-5-29
GH: 01749026 Sisyrinchium atlanticum E. P. Bicknell USA: Pennsylvania Tullytown A. MacElwee 342 1899-5-29
GH: 01750178 Sisyrinchium mucronatum Michaux USA: Pennsylvania York Furnace A. MacElwee 224 1899-5-14
Juncaceae GH: 02102849 Juncus effusus solutus (Fernald & Wiegand) Hämet-Ahti USA: Pennsylvania [data not captured] A. MacElwee 581 1899-6-19
GH: 02397129 Juncus tenuis Willdenow USA: Pennsylvania [data not captured] A. MacElwee 895 1899-7-20
Lamiaceae GH: 01554142 Collinsonia canadensis Linnaeus USA: Pennsylvania Around York Furnace A. MacElwee 1169 1899-8-29
GH: 01553834 Lamium maculatum Linnaeus USA: Pennsylvania Haverford A. MacElwee 104 1899-5-4
GH: 01600331 Mentha spicata Linnaeus USA: Pennsylvania Burmount A. MacElwee 845 1899-7-13
GH: 02236658 Monarda punctata Linnaeus USA: New Jersey [data not captured] A. MacElwee 949 1899-7-26
GH: 01599912 Origanum vulgare Linnaeus USA: Pennsylvania Haverford A. MacElwee 930 1899-7-24
GH: 01599965 Perilla frutescens (Linnaeus) Britton USA: Pennsylvania around York Furnace A. MacElwee 1180 1899-8-30
GH: 01597020 Prunella vulgaris Linnaeus USA: Pennsylvania Germantown A. MacElwee 891 1899-7-20
GH: 01597572 Pycnanthemum incanum (Linnaeus) Michaux USA: Pennsylvania Around York Furnace A. MacElwee 1158
GH: 01596174 Pycnanthemum tenuifolium Schrader USA: Pennsylvania Williamson A. MacElwee 1007 1899-7-28
GH: 01700552 Trichostema brachiatum Linnaeus USA: Pennsylvania Around York Furnace. Bair's Island. A. MacElwee 1192 1899-8-30
Lentibulariaceae GH: 01974655 Utricularia cornuta Michaux USA: New Jersey Toms River. A. MacElwee 635 1899-6-21
GH: 01975949 Utricularia radiata Small USA: New Jersey Clementon. A. MacElwee 1032 1899-8-2
GH: 01975683 Utricularia vulgaris Linnaeus USA: Pennsylvania Kevinski Lake. York Furnace. A. MacElwee 755 1899-6-28
Lobeliaceae GH: 01797573 Lobelia cardinalis Linnaeus USA: New Jersey Plants collected on Five-Mile Beach A. MacElwee 1463 1899-10-3
GH: 01797642 Lobelia cardinalis Linnaeus USA: Pennsylvania Haverford Township A. MacElwee 1112 1899-8-17
GH: 01798542 Lobelia nuttallii Roemer & Schultes USA: New Jersey [no additional data] A. MacElwee 1074 1899-8-14
GH: 01798546 Lobelia nuttallii Roemer & Schultes USA: New Jersey New Lisbon [Pemberton Township] A. MacElwee 958 1899-7-26
GH: 01799035 Lobelia siphilitica Linnaeus USA: Pennsylvania Lower Susquehanna, around York Furnace A. MacElwee 1146 1899-8-29
GH: 01799036 Lobelia siphilitica Linnaeus USA: Pennsylvania Nockamixon A. MacElwee 1893-9-23
GH: 01799218 Lobelia spicata Lamarck USA: Pennsylvania Newtown Township A. MacElwee 503 1899-6-12
GH: 01799219 Lobelia spicata Lamarck USA: Pennsylvania near Penilyn A. MacElwee 1903-6-21
Lycopodiaceae GH: 02164838 Dendrolycopodium obscurum (Linnaeus) A. Haines USA: New Jersey Cedar Brook [Winslow Township] A. MacElwee 1894-3-31
Moraceae GH: 01545016 Maclura pomifera (Rafinesque) C. K. Schneider USA: Pennsylvania 62th & Master, West Philadelphia A. MacElwee 2283 1901-6-24
A: 01545639 Morus rubra Linnaeus USA: West Virginia at Jayeun, Fairmont A. MacElwee 1907-6-9
Oleaceae GH: 01846974 Chionanthus virginicus Linnaeus USA: Pennsylvania where bridge stood. York Furnace A. MacElwee 230 1899-5-14
A: 01848033 Fraxinus americana Linnaeus USA: Pennsylvania Philadelphia: West Philadelphia A. MacElwee 336 1899-5-28
A: 01848881 Fraxinus nigra Marshall USA: Pennsylvania along Darby Creek, Haverford Township A. MacElwee 462 1899-6-8
A: 01849711 Fraxinus pennsylvanica Marshall USA: Pennsylvania Around York Furnace A. MacElwee 1189 1889-8-30
A: 01849719 Fraxinus pennsylvanica Marshall USA: Pennsylvania Island above McCalls Ferry A. MacElwee 722 1899-6-28
A: 01849729 Fraxinus pennsylvanica Marshall USA: Pennsylvania along Darby Creek A. MacElwee 106 1899-5-4
A: 01849730 Fraxinus pennsylvanica Marshall USA: Pennsylvania Along road 1 mile NW of Lawrence Mill A. MacElwee 573 1899-6-16
A: 01849731 Fraxinus pennsylvanica Marshall USA: Pennsylvania Edge of Schuylkill River. West Manayunk A. MacElwee 554 1899-6-16
GH: 01849732 Fraxinus pennsylvanica Marshall USA: Pennsylvania Around York Furnace A. MacElwee 1189 1899-8-30
GH: 01849736 Fraxinus pennsylvanica Marshall USA: Pennsylvania Edge of Schuylkill River. West Manayunk A. MacElwee 554 1899-6-16
GH: 01849737 Fraxinus pennsylvanica Marshall USA: Pennsylvania Island above McCalls Ferry A. MacElwee 722 1899-6-28
Onagraceae GH: 01671497 Epilobium coloratum Biehler USA: Pennsylvania Philadelphia: West Philadelphia A. MacElwee 1897-8-27
GH: 01643481 Oenothera perennis Linnaeus USA: Pennsylvania near Acorn Hill A. MacElwee 1903-6-25
Orchidaceae AMES: 02028184 Goodyera pubescens (Willdenow) R. Brown USA: Pennsylvania Lower Susquehanna. around York Furnace A. MacElwee 180 1899-5-13
AMES: 02045214 Platanthera grandiflora (Bigelow) Lindley USA: New Jersey 4 miles E from Swedesboro A. MacElwee 1894-6-10
AMES: 02032561 Spiranthes cernua (Linnaeus) Richard USA: Pennsylvania Rockhill A. MacElwee 1535
AMES: 02032561 Spiranthes ochroleuca (Rydberg) Rydberg USA: Pennsylvania Rockhill A. MacElwee 1535
Phytolaccaceae GH: 01681339 Phytolacca americana Linnaeus USA: Pennsylvania [data not captured] A. MacElwee 1486 1899-10-9
Plumbaginaceae GH: 01918094 Limonium carolinianum (Walter) Britton USA: New Jersey Plants collected on Five-Mile Beach A. MacElwee 1419
Poaceae GH: 01853087 Andropogon glomeratus (Walter) Britton, Sterns & Poggenburg USA: New Jersey [data not captured] A. MacElwee 1893-9-2
GH: 01853088 Andropogon glomeratus (Walter) Britton, Sterns & Poggenburg USA: New Jersey [data not captured] A. MacElwee 1571 1899-10-13
GH: 01853092 Andropogon glomeratus (Walter) Britton, Sterns & Poggenburg USA: New Jersey [data not captured] A. MacElwee 1571 1899-10-13
GH: 01814877 Sorghastrum nutans (Linnaeus) Nash USA: New Jersey [data not captured] A. MacElwee 1083 1899-8-14
Polemoniaceae GH: 01571787 Phlox divaricata Linnaeus USA: Pennsylvania York Furnace A. MacElwee 199 1899-5-13
GH: 01574669 Phlox maculata Linnaeus USA: Pennsylvania Rockhill A. MacElwee 366 1899-6-3
GH: 01686091 Phlox paniculata Linnaeus USA: Pennsylvania Around York Furnace A. MacElwee 1134 1899-8-29
GH: 01686847 Phlox subulata Linnaeus USA: Pennsylvania above Fawkes Run, West Chester Rd., Newtown A. MacElwee 25 1899-4-23
Polygonaceae GH: 02364941 Persicaria glabra (Willdenow) M. Gómez USA: New Jersey [data not captured] A. MacElwee 2040 1900-9-25
Pontederiaceae GH: 02068410 Pontederia cordata Linnaeus USA: Pennsylvania Kevinski Lake, York Furnace A. MacElwee 758 1899-6-28
Primulaceae GH: 01920166 Hottonia inflata Elliott USA: New Jersey Riddleton A. MacElwee 1895-6-17
Rosaceae GH: 01730827 Aronia melanocarpa (Michaux) Elliott USA: New Jersey Egg Harbor City: [no additional data] A. MacElwee 1893-7-29
A: 00000684 Crataegus bartramiana Sargent USA: Pennsylvania Philadelphia: Lane near Bartram's old garden A. MacElwee 2270 1901-6-3
A: 01758292 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania S side of road from front of J. Comley's far... A. MacElwee 2381 1903-6-5
A: 01758293 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Gwynedd A. MacElwee 2316 1902-6-6
A: 01758294 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania Franklinsville A. MacElwee 2316 1902-9-29
A: 01758295 Crataegus calpodendron (Ehrhart) Medikus USA: Pennsylvania along the Perkiomen Creek at Sellersville A. MacElwee 413 1899-6-2
A: 01760631 Crataegus crus-galli Linnaeus USA: Maryland Plants collected along the shores of Chesape... A. MacElwee 1899-5-13
A: 01760632 Crataegus crus-galli Linnaeus USA: Maryland Plants collected along the shores of Chesape... A. MacElwee 1899-8-28
A: 01760633 Crataegus crus-galli Linnaeus USA: Maryland Plants collected along the shores of Chesape... A. MacElwee 168 1899-6-26
A: 01760639 Crataegus crus-galli Linnaeus USA: Maryland Plants collected along the shores of Chesape... A. MacElwee 663 1899-6-26
A: 01611320 Crataegus crus-galli Linnaeus USA: Pennsylvania Near Gray's Ferry. Philadelphia A. MacElwee 2270 1901-6-3
A: 01611339 Crataegus crus-galli Linnaeus USA: Pennsylvania West Philadelphia. (70th & Vine Streets). Ha... A. MacElwee 2232a 1901-6-24
A: 01611340 Crataegus crus-galli Linnaeus USA: Pennsylvania Haddington. West Philadelphia A. MacElwee 2232 1901-5-24
A: 01611346 Crataegus crus-galli Linnaeus USA: Pennsylvania Betzwood A. MacElwee 1815a 1901-5-28
A: 01611347 Crataegus crus-galli Linnaeus USA: Pennsylvania Betzwood A. MacElwee 1815a 1901-5-28
A: 01611348 Crataegus crus-galli Linnaeus USA: Pennsylvania Betzwood A. MacElwee 1815a 1900-10-16
A: 01611349 Crataegus crus-galli Linnaeus USA: Pennsylvania near the Schuylkill River, Betzwood A. MacElwee 1815 and 1815a 1900-8-9
A: 01611366 Crataegus crus-galli Linnaeus USA: Pennsylvania Gray's Ferry, Philadelphia A. MacElwee 2267 1901-6-3
A: 01611367 Crataegus crus-galli Linnaeus USA: Pennsylvania Haddington. West Philadelphia A. MacElwee 2233a 1901-6-8
A: 01611368 Crataegus crus-galli Linnaeus USA: Pennsylvania Betzwood A. MacElwee 2124a 1901-5-28
GH: 01611384 Crataegus crus-galli Linnaeus USA: Pennsylvania Below Gray's Ferry A. MacElwee 2267 1901-6-3
GH: 01611385 Crataegus crus-galli Linnaeus USA: Pennsylvania Bank of the Wissahickon, Franklinville A. MacElwee 2347 1903-5-25
A: 01611410 Crataegus crus-galli Linnaeus USA: Pennsylvania Along the Wissahickon, Penllyn A. MacElwee 2357 1903-5-24
A: 01611411 Crataegus crus-galli Linnaeus USA: Pennsylvania Along the Wissahickon, Penllyn A. MacElwee 2358 1903-5-24
A: 01611412 Crataegus crus-galli Linnaeus USA: Pennsylvania Bank of the Wissahickon, Penllyn A. MacElwee 2360 1903-5-24
A: 01611413 Crataegus crus-galli Linnaeus USA: Pennsylvania Along the Wissahickon, Penllyn A. MacElwee 2359 1903-5-24
A: 01611418 Crataegus crus-galli Linnaeus USA: Pennsylvania Bank of the Wissahickon, Gwynedd A. MacElwee 2364 1903-5-25
A: 01611651 Crataegus crus-galli pyracanthifolia Aiton USA: Pennsylvania along the Perkiomen Creek, at Sellersville A. MacElwee 415a 1899-6-2
A: 01612174 Crataegus dissona Sargent USA: Pennsylvania Rockhill A. MacElwee 1557 1903-5-31
A: 01612185 Crataegus dissona Sargent USA: Pennsylvania Gwynedd A. MacElwee 2350 1903-5-24
A: 00016419 Crataegus evansiana Sargent USA: Pennsylvania Philadelphia: A. MacElwee 2168a 1901-6-3
A: 01613553 Crataegus holmesiana Ashe USA: Pennsylvania along the Perkiomen Creek, at Sellersville A. MacElwee 1655 1900-5-17
A: 01613559 Crataegus holmesiana Ashe USA: Pennsylvania Perkiomen Creek, at Sellersville A. MacElwee 1511 1899-6-2
A: 01613560 Crataegus holmesiana Ashe USA: Pennsylvania Along the Perkiomen Creek, at Sellersville A. MacElwee 414 1899-6-2
A: 01613561 Crataegus holmesiana Ashe USA: Pennsylvania along the Perkiomen Creek, at Sellersville A. MacElwee 1507 1899-10-10
A: 01613570 Crataegus holmesiana Ashe USA: Pennsylvania Bank of the Wissahickon. near Gwynedd A. MacElwee 2313 1902-7-29
A: 01613571 Crataegus holmesiana Ashe USA: Pennsylvania Banks of the Wissahickon. Gwynedd A. MacElwee 2313 1902-5-6
A: 00017981 Crataegus insueta Sargent USA: Pennsylvania Philadelphia: West Fairmount Park A. MacElwee 2165 1901-5-6
A: 00017980 Crataegus insueta Sargent USA: Pennsylvania Philadelphia: West Fairmount Park A. MacElwee 2165a 1901-6-3
A: 01615551 Crataegus macracantha Loddiges ex Loudon USA: Pennsylvania Along the Perkiomen Creek, at Sellersville A. MacElwee 415 1899-6-2
A: 01666858 Crataegus macrosperma Ashe USA: Pennsylvania Jacoby's Farm, Gwynedd A. MacElwee 2349 1903-5-24
A: 01666980 Crataegus macrosperma Ashe USA: Pennsylvania on Jacoby's place, Gwynedd A. MacElwee 2349 1903-9-8
A: 01669734 Crataegus pennsylvanica Ashe USA: Pennsylvania Bartram's Garden, West Philadelphia A. MacElwee 72 1899-5-2
A: 01669735 Crataegus pennsylvanica Ashe USA: Pennsylvania Bartram's old garden, Philadelphia A. MacElwee 76a 1901-6-3
GH: 01669914 Crataegus phaenopyrum (Linnaeus f.) Medikus USA: Pennsylvania West Philadelphia A. MacElwee 2248 1901-6-24
A: 01646040 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Rockhill A. MacElwee 400 1899-6-2
A: 01646074 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania foot of Gypsy Hill, Gwynedd A. MacElwee 2367 1903-5-30
A: 01646075 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania around York Furnace A. MacElwee 237 1899-5-14
GH: 01646140 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Banks of the Wissahickon, Gwynedd A. MacElwee 2313 1902-5-6
GH: 01646141 Crataegus pruinosa (J. C. Wendland) K. Koch USA: Pennsylvania Bank of the Wissahickon. Gwynedd A. MacElwee 2313 1902-6-8
A: 01647091 Crataegus punctata Jacquin USA: Pennsylvania Along the Perkiomen Creek, at Sellersville A. MacElwee 415 1899-6-2
A: 01865380 Crataegus sp. USA: Pennsylvania Rockhill A. MacElwee 401 1899-6-2
A: 01649211 Crataegus succulenta Schrader ex Link USA: Pennsylvania Franklinville A. MacElwee 2316 1903-5-25
Rubiaceae GH: 02359414 Galium boreale Linnaeus USA: Pennsylvania [data not captured] A. MacElwee 1893-6-18
GH: 02359597 Galium circaezans Michaux USA: Pennsylvania [data not captured] A. MacElwee 751a 1899-6-28
GH: 02359591 Galium circaezans Michaux USA: Pennsylvania [data not captured] A. MacElwee 782 1899-7-5
GH: 02138213 Galium lanceolatum (Torrey) Torrey USA: Pennsylvania [data not captured] A. MacElwee 950 1892-6-19
GH: 02138692 Galium obtusum Bigelow USA: Pennsylvania [data not captured] A. MacElwee 374 1899-6-2
GH: 02139066 Galium pilosum Aiton USA: Pennsylvania [data not captured] A. MacElwee 990 1899-7-28
GH: 02139625 Galium tinctorium floridanum Wiegand USA: Pennsylvania [data not captured] A. MacElwee 518 1899-6-12
GH: 02139605 Galium tinctorium floridanum Wiegand USA: New Jersey [data not captured] A. MacElwee 1389 1899-10-2
GH: 02140440 Galium triflorum Michaux USA: Pennsylvania [data not captured] A. MacElwee 781 1899-7-5
GH: 02358263 Hexasepalum teres (Walter) J. H. Kirkbride USA: New Jersey [data not captured] A. MacElwee 939
Solanaceae GH: 00939397 Lycium chinense Miller USA: Pennsylvania West Philadelphia A. MacElwee 1088 1899-8-17
GH: 01541324 Physalis heterophylla Nees USA: Pennsylvania around York Furnace A. MacElwee 1138 1899-8-29
GH: 01541327 Physalis heterophylla Nees USA: Pennsylvania around York Furnace A. MacElwee 1138 1899-8-29
GH: 01541542 Physalis longifolia subglabrata (Mackenzie & Bush) Cronquist USA: Pennsylvania Haverford Township A. MacElwee 1109 1899-8-17
GH: 01542476 Solanum carolinense Linnaeus USA: Pennsylvania Near Bartram's Gardens. West Philadelphia. A. MacElwee 1895-9-4
Taxaceae A: 01116723 Taxus canadensis Marshall USA: West Virginia Buffalo Creek A. MacElwee 1907-6-23
Ulmaceae GH: 01931596 Ulmus americana Linnaeus USA: Pennsylvania near Shawmont A. MacElwee 2153 1901-4-18
A: 01932205 Ulmus rubra Muhlenberg USA: Pennsylvania near Lafayette, Schuylkill Valley A. MacElwee 2155 1901-4-18
GH: 01932199 Ulmus rubra Muhlenberg USA: Pennsylvania Betzwood A. MacElwee 2125a 1901-5-28
Verbenaceae GH: 01955416 Verbena officinalis Linnaeus USA: Pennsylvania York Furnace A. MacElwee 882 1899-6-28
GH: 01955790 Verbena simplex Lehmann USA: Pennsylvania Islands of the Susquehanna at York Furnace A. MacElwee 760 1899-6-28
GH: 01956101 Verbena urticifolia Linnaeus USA: Pennsylvania Angora A. MacElwee 882 1899-7-19
Violaceae GH: 02146369 Viola cucullata Aiton USA: Pennsylvania Tullytown A. MacElwee 1894-5-12
GH: 02146354 Viola cucullata Aiton USA: Pennsylvania Tullytown A. MacElwee 448 1899-6-6
GH: 02146349 Viola cucullata Aiton USA: Pennsylvania Pennlyn, along the P. & R. R.R. A. MacElwee L375 1903-5-31
GH: 02208892 Viola primulifolia Linnaeus USA: Maryland Plants collected along the shore of Chesapea... A. MacElwee 1899-5-13