Aceraceae GH: 01870946 Acer glabrum Torrey USA: Utah Around and below Twin Lakes, Big Cottonwood ... P. A. Rydberg 6535 1905-6-30
GH: 01792271 Acer negundo violaceum (G. Kirchner) H. Jaeger USA: Nebraska Near Plummer Ford, DIsmal River P. A. Rydberg 1406 1893-7-3
A: 01792611 Acer pensylvanicum Linnaeus USA: North Carolina Mount Pisgah P. A. Rydberg 9490 1925-7-24
A: 01793209 Acer rubrum Linnaeus USA: North Carolina Mount Mitchell P. A. Rydberg 9391 1925-7-15
A: 01793396 Acer rubrum Linnaeus USA: West Virginia Panther Mountain P. A. Rydberg 9151 1925-6-15
A: 01794955 Acer spicatum Lamarck USA: North Carolina Mount Mitchell P. A. Rydberg 9392 1925-7-15
Alismataceae GH: 01632077 Alisma triviale Pursh USA: Nebraska In the Lake Region; 3 miles N. E. of Whitman P. A. Rydberg 1616 1893-7-29
Amaranthaceae GH: 01928608 Amaranthus albus Linnaeus USA: Nebraska In the Lake Region; 3 miles N. E. of Whitman P. A. Rydberg 1614 1893-7-29
GH: 01928794 Amaranthus blitoides S. Watson USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1291 1893-6-16
GH: 01929728 Amaranthus tuberculatus (Moquin-Tandon) Sauer USA: Nebraska In the Lake Region; 25 miles south of Whitma... P. A. Rydberg 1674 1893-8-10
GH: 01781720 Chenopodiastrum simplex (Torrey) S. Fuentes, Uotila & Borsch USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1525 1893-7-12
GH: 01781749 Chenopodiastrum simplex (Torrey) S. Fuentes, Uotila & Borsch USA: South Dakota Deadwood P. A. Rydberg 149 1913-8-16
GH: 01930073 Froelichia floridana (Nuttall) Moquin-Tandon USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1838 1893-8-2
Anacardiaceae GH: 01867691 Rhus glabra Linnaeus USA: Nebraska On Dismal River, south of Thedford P. A. Rydberg 1443 1893-6-28
GH: 01868220 Rhus trilobata Nuttall USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1407 1893-7-11
GH: 01868289 Rhus trilobata Nuttall USA: South Dakota Hot Springs P. A. Rydberg 595 1892-8-8
A: 01869361 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Nebraska [no additional data] P. A. Rydberg 1891-6-13
Asclepiadaceae GH: 00961084 Asclepias pumila (A. Gray) Vail USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1700 1893-8-19
GH: 01046718 Asclepias viridiflora Rafinesque USA: Nebraska Plummer Ford P. A. Rydberg 1305 1893-7-3
Asteraceae GH: 02141219 Agoseris glauca (Pursh) Rafinesque USA: South Dakota Elk Canon P. A. Rydberg 843 1892-6-29
GH: 00968312 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1730 1893-8-26
GH: 01923470 Brickellia eupatorioides corymbulosa (Torrey & A. Gray) Shinners USA: Nebraska In the Lake Region of Grant County, 3 miles ... P. A. Rydberg 1636 1893-8-1
GH: 02020489 Cirsium canescens Nuttall USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1356 1893-6-17
GH: 02020776 Cirsium eatonii (A. Gray) B. L. Robinson USA: Utah Big Cottonwood Cañon, below Silver Lake P. A. Rydberg 6766 1905-7-8
GH: 02021046 Cirsium vulgare (Savi) Tenore USA: South Dakota Deadwood: [no additional data] P. A. Rydberg 167 1913-8-10
GH: 02216997 Conyza canadensis (Linnaeus) Cronquist USA: Nebraska On South Fork of Dismal River on bank of riv... P. A. Rydberg 1678 1893-8-11
GH: 02203220 Conyza ramosissima Cronquist USA: Nebraska On Middle Loup River, Near Thedford P. A. Rydberg 1699 1893-8-19
GH: 02142394 Crepis atribarba A. Heller USA: Montana [data not captured] P. A. Rydberg 5308 1897-6-28
GH: 02142956 Crepis runcinata Torrey & A. Gray USA: South Dakota Rochford P. A. Rydberg 840 1892-7-12
GH: 02203791 Dieteria canescens nebraskana (B. L. Turner) D. R. Morgan & R. L. Hartman USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1734 1893-8-23
GH: 02205223 Doellingeria umbellata pubens (Miller) Nees USA: Nebraska On Middle Loup River, near Halsey P. A. Rydberg 1748 1893-9-11
GH: 02207786 Erigeron bellidiastrus Nuttall USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1536 1893-7-12
GH: 02204233 Heterotheca stenophylla angustifolia (Rydberg) Semple USA: Nebraska No Colligan Canon P. A. Rydberg 1891-8-22
GH: 02204559 Heterotheca villosa ballardii (Rydberg) Semple USA: South Dakota Deadwood: [no additional data] P. A. Rydberg 169 1913-7-28
GH: 01832367 Hieracium kalmii Linnaeus USA: South Dakota Deadwood: [no additional data] P. A. Rydberg 65 1913-7-19
GH: 02192494 Liatris ligulistylis (A. Nelson) K. Schumann USA: South Dakota Custer P. A. Rydberg 753 1892-8-1
GH: 02192859 Liatris punctata Hooker USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1761 1893-9-13
Azollaceae GH: 02069053 Azolla caroliniana Willdenow USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1728 1893-8-24
Berberidaceae GH: 02168925 Caulophyllum thalictroides (Linnaeus) Michaux USA: Virginia Konnarock P. A. Rydberg 1925-7-31
GH: 02169563 Mahonia repens (Lindley) G. Don USA: South Dakota Hot Springs P. A. Rydberg 510 1892-6-12
Betulaceae A: 02196867 Betula alleghaniensis Britton USA: West Virginia Spruce Knob P. A. Rydberg 9178 1925-6-21
GH: 02194420 Betula occidentalis Hooker USA: South Dakota Greville P. A. Rydberg 1006 1892-7-23
GH: 02194418 Betula occidentalis Hooker USA: South Dakota Piedmont and Little Elk Creek P. A. Rydberg 1005 1892-6-27
Boraginaceae GH: 01957971 Cryptantha ambigua (A. Gray) Greene USA: Montana Mountains near Indian Creek P. A. Rydberg 4885 1897-7-21
GH: 02023507 Cryptantha fendleri (A. Gray) Greene USA: Nebraska On Dismal River, south of Thedford P. A. Rydberg 1429 1893-6-27
GH: 02023521 Cryptantha fendleri (A. Gray) Greene USA: Utah Montezuma Canyon, east of Monticello P. A. Rydberg 9681 1911-8-13
GH: 02024529 Cryptantha minima Rydberg USA: Nebraska [no additional data] P. A. Rydberg 252 1891-6-25
GH: 02027053 Hackelia deflexa americana (A. Gray) Fernald & I.M. Johnst. USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1475 1893-7-11
GH: 01995117 Lappula redowskii (Hornemann) Greene USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1259 1893-7-3
GH: 01995217 Lappula redowskii (Hornemann) Greene USA: South Dakota Custer P. A. Rydberg 577 1892-7-16
GH: 01996183 Lithospermum incisum Lehmann USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1389 1893-6-20
GH: 01996253 Lithospermum incisum Lehmann USA: South Dakota Custer P. A. Rydberg 901 1892-8-1
GH: 01997539 Mertensia arizonica Greene USA: Utah Headwaters of Little Cottonwood Creek, above... P. A. Rydberg 6863 1905-7-10
GH: 01873188 Myosotis sylvatica Hoffmann USA: South Dakota Sylvan Lake P. A. Rydberg 896 1892-7-19
GH: 02060054 Oreocarya cinerea Greene USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1514 1893-7-8
GH: 02060643 Oreocarya glomerata (Pursh) Greene USA: South Dakota Whitewood P. A. Rydberg 893 1892-7-7
Brassicaceae GH: 00960645 Arabis hirsuta pycnocarpa (M. Hopkins) Rollins USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 518 1892-6-13
GH: 01181705 Boechera canadensis (Linnaeus) Al-Shehbaz USA: West Virginia Panther Mt. P. A. Rydberg 1925-6-15
GH: 00948114 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Utah Big Cottonwood Cañon, below Silver Lake P. A. Rydberg 6775 1905-7-8
GH: 00948999 Boechera stricta (Graham) Al-Shehbaz USA: Utah Headwaters of Little Cottonwood Creek, above... P. A. Rydberg 6851 1905-7-10
GH: 01155244 Camelina sativa (Linnaeus) Crantz USA: South Dakota Custer P. A. Rydberg 535 1892-7-15
GH: 01155251 Capsella bursa-pastoris (Linnaeus) Medikus USA: South Dakota Deadwood P. A. Rydberg 41 1913-7-10
GH: 01098804 Cardamine breweri leibergii (Holzinger) C. L. Hitchcock USA: Montana Jack Creek Cañon P. A. Rydberg 4157 1897-7-15
GH: 01087613 Chlorocrambe hastata (S. Watson) Rydberg USA: Utah Red Rock Cañon, near Salt Lake City P. A. Rydberg 6065 1905-6-11
GH: 01103548 Draba aurea Vahl USA: South Dakota Sylvan Lake and Harney Peak P. A. Rydberg 516 1892-7-18
GH: 01115823 Draba nemorosa Linnaeus USA: South Dakota Custer. Black Hills P. A. Rydberg 515 1892-6-1
GH: 01561713 Erysimum asperum de Candolle USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 522 1892-6-14
GH: 01538846 Erysimum inconspicuum (S. Watson) MacMillan USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 525 1892-6-13
GH: 01550342 Nasturtium officinale R. Brown USA: South Dakota Hot Springs P. A. Rydberg 531 1892-6-14
GH: 01573882 Physaria arenosa argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 533 1892-8-3
GH: 01687498 Physaria ludoviciana (Nuttall) O'Kane & Al-Shehbaz USA: Nebraska [no additional data] P. A. Rydberg 1891-6-25
GH: 01691834 Raphanus sativus Linnaeus USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1729 1893-8-26
GH: 01692131 Rorippa curvipes truncata (Jepson) Rollins USA: Nebraska In the Lake Region; 2 miles west of Whitman P. A. Rydberg 1626 1893-9-19
GH: 01716444 Smelowskia americana Rydberg USA: Utah Mount Majestic, at the head of Big Cottonwoo... P. A. Rydberg 6821 1905-7-10
GH: 01716745 Stanleya pinnata (Pursh) Britton USA: South Dakota Fall River Falls P. A. Rydberg 521 1892-6-17
GH: 01736452 Strigosella africana (Linnaeus) Botschantzev USA: Utah around Beck's Hot Springs, northwest of Salt... P. A. Rydberg 6188 1905-6-12
GH: 01733174 Turritis glabra Linnaeus USA: South Dakota Custer P. A. Rydberg 517 1892-6-2
Campanulaceae GH: 01795265 Campanula aparinoides Pursh USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1457 1893-7-3
GH: 01796488 Campanula rotundifolia Linnaeus USA: South Dakota Hot Springs P. A. Rydberg 852 1892-6-17
GH: 01953924 Triodanis perfoliata (Linnaeus) Nieuwland USA: Nebraska On Dismal River, south of Thedford P. A. Rydberg 1346 1893-6-29
Capparaceae GH: 01872330 Peritoma serrulata (Pursh) de Candolle USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1587 1893-7-20
GH: 01872693 Polanisia jamesii (Torrey & A. Gray) Iltis USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1664 1893-8-26
Caprifoliaceae GH: 02039193 Linnaea borealis longiflora (Torrey) Piper & Beattie USA: South Dakota Elk Canon P. A. Rydberg 743 1892-6-29
A: 02183543 Sambucus nigra canadensis (Linnaeus) Bolli USA: West Virginia Snowy Mountain P. A. Rydberg 9129 1925-6-19
GH: 02184125 Sambucus racemosa Linnaeus USA: South Dakota Sylvan Lake and Harney Peak P. A. Rydberg 740 1892-8-17
GH: 02037994 Symphoricarpos albus (Linnaeus) Blake USA: South Dakota Rochford P. A. Rydberg 744 1892-7-12
GH: 02036324 Symphoricarpos occidentalis Hooker USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1442 1893-9-8
A: 02186703 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: West Virginia Panther Mountain P. A. Rydberg 9058 1925-6-15
Caryophyllaceae GH: 01741362 Arenaria congesta subcongesta S. Watson USA: Utah Mount Nebo P. A. Rydberg 9592 1905-8-15
GH: 01742968 Cerastium arvense Linnaeus USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 563 1892-6-18
GH: 01743425 Cerastium brachypodum (Engelmann ex A. Gray) B. L. Robinson USA: South Dakota Hermosa: [no additional data] P. A. Rydberg 561 1892-6-22
GH: 01744099 Cerastium nutans Rafinesque USA: South Dakota Rochford P. A. Rydberg 559 1892-7-11
GH: 01745490 Minuartia dawsonensis (Britton) House USA: South Dakota Elk Canon P. A. Rydberg 566 1892-6-29
GH: 01714072 Moehringia lateriflora (Linnaeus) Fenzl USA: South Dakota Elk Canon P. A. Rydberg 568 1892-6-29
GH: 01714286 Paronychia argyrocoma (Michaux) Nuttall USA: West Virginia Panther Mt. P. A. Rydberg 40 1925-6-15
GH: 01751562 Silene antirrhina Linnaeus USA: Nebraska On Dismal River, south of Thedford P. A. Rydberg 1349 1893-6-23
GH: 01622548 Stellaria longifolia Muhlenberg ex Willdenow USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1295 1893-6-15
GH: 01622611 Stellaria longifolia Muhlenberg ex Willdenow USA: South Dakota Terry's Peak P. A. Rydberg 564 1892-7-8
GH: 01624234 Vaccaria hispanica (Miller) Rauschert USA: South Dakota Minnekahta P. A. Rydberg 556 1892-8-4
Celastraceae A: 01854213 Celastrus scandens Linnaeus USA: Nebraska Island in Platte River P. A. Rydberg 1891-6-15
GH: 01854217 Celastrus scandens Linnaeus USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1893-7-3
Chenopodiaceae GH: 02003428 Atriplex canescens (Pursh) Nuttall USA: Utah around Beck's Hot Springs, northwest of Salt... P. A. Rydberg 6189 1905-6-12
GH: 01781975 Chenopodium album Linnaeus USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1542 1893-7-17
GH: 01782501 Chenopodium fremontii S. Watson USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1450 1893-8-22
GH: 01782510 Chenopodium fremontii S. Watson USA: South Dakota Sylvan Lake P. A. Rydberg 963 1892-7-20
GH: 01782555 Chenopodium incanum (S. Watson) A. Heller USA: Nebraska Central Neb. P. A. Rydberg 1394 1893-6-21
GH: 01782750 Chenopodium pratericola Rydberg USA: Nebraska [no additional data] P. A. Rydberg 318 1891-6-13
GH: 01782749 Chenopodium pratericola Rydberg USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1835 1893-7-11
GH: 01782743 Chenopodium pratericola Rydberg USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1386 1893-6-21
GH: 01782963 Corispermum americanum (Nuttall) Nuttall USA: Nebraska On Middle Loup River, near Nattick P. A. Rydberg 1647 1893-9-11
GH: 01784091 Cycloloma atriplicifolium (Sprengel) J. M. Coulter USA: Nebraska Kiewa Valley P. A. Rydberg 316 1891-7-30
GH: 01784090 Cycloloma atriplicifolium (Sprengel) J. M. Coulter USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1585 1893-7-24
GH: 01783226 Oxybasis rubra (Linnaeus) S. Fuentes, Uotila & Borsch USA: Nebraska Lake Region, 1 mile W. of Whitman P. A. Rydberg 1782 1893-9-19
GH: 01785000 Salsola tragus pseudotragus (Beck) Mosyakin USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1593 1893-9-15
GH: 01785031 Salsola tragus tenuifolia (Tausch) Tzvel. USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1593 1893-7-24
Convolvulaceae GH: 02056367 Cuscuta cuspidata Engelmann USA: Nebraska In the Lake Region; W.E. of Whitman P. A. Rydberg 1639 1893-8-1
GH: 02056722 Cuscuta indecora Choisy USA: Nebraska On South Fork of Dismal River P. A. Rydberg 1634 1893-8-14
GH: 02056723 Cuscuta indecora Choisy USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1694 1893-8-11
GH: 02056825 Cuscuta indecora neuropetala (Engelmann) Hitchcock USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1688 1893-8-26
GH: 02042214 Ipomoea leptophylla Torrey USA: Nebraska Lawrence Fork P. A. Rydberg 261 1891-7-8
GH: 02042218 Ipomoea leptophylla Torrey USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1512 1893-7-8
Cornaceae A: 01843720 Cornus alternifolia Linnaeus f. USA: Virginia Peaks of Otter P. A. Rydberg 9255 1925-7-1
GH: 02019241 Cornus stolonifera Michaux USA: Nebraska On Middle Loup River, near Norway P. A. Rydberg 1414 1893-6-22
Crassulaceae GH: 01991649 Sedum leibergii Britton USA: South Dakota Lead: Lead City P. A. Rydberg 691 1892-4-4
Cupressaceae GH: 02105199 Juniperus horizontalis Moench USA: South Dakota Piedmont and Little Elk Creek P. A. Rydberg 1181 1892-6-27
GH: 02106213 Juniperus scopulorum Sargent USA: Nebraska On Dismal River, south of Thedford P. A. Rydberg 1428 1893-6-27
GH: 02106939 Juniperus virginiana Linnaeus USA: South Dakota Custer: [no additional data] P. A. Rydberg 1082 1892-6-12
Cyperaceae GH: 02395505 Carex diandra Schrank USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1399 1893-6-21
Elaeagnaceae GH: 01576419 Shepherdia argentea (Pursh) Nuttall USA: Nebraska Islands in Platte River P. A. Rydberg 352 1891-7-24
GH: 01576967 Shepherdia canadensis Nuttall USA: South Dakota Lead: Lead City P. A. Rydberg 990 1892-7-6
Ericaceae GH: 01591431 Epigaea repens Linnaeus USA: West Virginia Panther Mt. P. A. Rydberg 1925-6-19
A: 01592520 Gaylussacia baccata (Wangenheim) K. Koch USA: North Carolina higher Alleghany Mountains; Grandfather's Mo... P. A. Rydberg 9363 1925-7-10
Fabaceae GH: 01963008 Acmispon americanus (Nuttall) Rydberg USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1592 1893-7-24
GH: 01967608 Amorpha canescens Pursh USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1417 1893-7-8
GH: 01935167 Amorpha fruticosa Linnaeus USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1314 1893-9-8
GH: 01935850 Amphicarpaea bracteata (Linnaeus) Fernald USA: Nebraska On Middle Loup River, near Halsey P. A. Rydberg 1715 1893-9-11
GH: 02067095 Apios americana Medikus USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1714 1893-8-22
GH: 02067399 Astragalus aboriginum Richardson USA: South Dakota Custer: [no additional data] P. A. Rydberg 623 1892-6-1
GH: 02067697 Astragalus agrestis G. Don USA: South Dakota Hermosa: [no additional data] P. A. Rydberg 618 1892-6-22
GH: 02064287 Astragalus americanus (Hooker) M. E. Jones USA: South Dakota Rochford P. A. Rydberg 628 1892-7-12
GH: 02047077 Astragalus canadensis Linnaeus USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1537 1893-7-11
GH: 02047108 Astragalus canadensis Linnaeus USA: South Dakota Rochford P. A. Rydberg 616 1892-7-12
GH: 02047299 Astragalus ceramicus E. Sheldon USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1322 1893-6-16
GH: 02044135 Astragalus drummondii Douglas ex Hooker USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 619 1892-6-18
GH: 02044564 Astragalus flexuosus (Hooker) Douglas ex G. Don USA: South Dakota Rochford P. A. Rydberg 630 1892-7-12
GH: 02048025 Astragalus plattensis Nuttall USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 615 1892-6-13
GH: 02048392 Astragalus racemosus Pursh USA: South Dakota Fall River Falls P. A. Rydberg 620 1892-6-17
GH: 02048939 Astragalus tenellus Pursh USA: South Dakota Custer: Bull Springs, in the Lime Stone dist... P. A. Rydberg 632 1892-7-28
GH: 01885056 Dalea candida oligophylla (Torrey) Shinners USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1480 1893-7-24
GH: 01885094 Dalea candida oligophylla (Torrey) Shinners USA: South Dakota Hot Springs P. A. Rydberg 612 1892-8-3
GH: 01921621 Dalea villosa (Nuttall) Sprengel USA: Nebraska In the Lake Region, 3 miles N. E. of Whitman P. A. Rydberg 1589 1893-7-31
GH: 01921823 Desmodium canadense (Linnaeus) de Candolle USA: Nebraska On South Fork of Dismal River P. A. Rydberg 1692 1893-8-12
GH: 01959629 Glycyrrhiza lepidota Nuttall ex Pursh USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1384 1893-6-20
GH: 01958073 Hedysarum alpinum Linnaeus USA: South Dakota Rochford P. A. Rydberg 640 1892-7-12
GH: 02150055 Lathyrus polymorphus Nuttall USA: Nebraska [no additional data] P. A. Rydberg 86 1891-6-20
GH: 02150054 Lathyrus polymorphus Nuttall USA: Nebraska [no additional data] P. A. Rydberg 86 1891-6-13
GH: 02150799 Lespedeza capitata Michaux USA: Nebraska On Middle Loup River, near Halsey P. A. Rydberg 1746 1893-9-11
GH: 02085278 Lupinus argenteus spathulatus (Rydberg) L. W. Hess & D. B. Dunn USA: South Dakota Lead: Lead City P. A. Rydberg 598 1892-7-6
GH: 02128160 Lupinus pusillus Pursh USA: Nebraska Hills near Curtis. P. A. Rydberg 46 1891-6-23
GH: 02128537 Lupinus sericeus Pursh USA: South Dakota Elk Canon P. A. Rydberg 597 1892-6-29
GH: 02130142 Melilotus albus Medikus USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1726 1893-8-26
GH: 02132209 Oxytropis campestris gracilis (A. Nelson) Barneby USA: South Dakota Custer P. A. Rydberg 636 1892-6-5
GH: 02132910 Oxytropis lambertii Pursh USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1285 1893-6-14
GH: 02132974 Oxytropis lambertii Pursh USA: South Dakota Hot Springs P. A. Rydberg 638 1892-6-18
GH: 02132973 Oxytropis lambertii Pursh USA: South Dakota Hot Springs P. A. Rydberg 637 1892-6-16
GH: 02131460 Oxytropis sericea Nuttall USA: Nebraska Hills P. A. Rydberg 1890-8
GH: 02131753 Pediomelum argophyllum (Pursh) Rydberg USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1390 1893-7-3
GH: 02131883 Pediomelum cuspidatum (Pursh) Rydberg USA: South Dakota Fall River Falls P. A. Rydberg 605 1892-8-10
GH: 02131928 Pediomelum digitatum (Nuttall ex Torrey & A. Gray) J. W. Grimes USA: Nebraska On Middle Loup River, near Norway P. A. Rydberg 1341 1893-6-22
GH: 02133671 Psoralidium lanceolatum (Pursh) Rydberg USA: Nebraska On Dismal River, south of Thedford P. A. Rydberg 1327 1893-6-27
GH: 02136341 Strophostyles leiosperma (Torrey & A. Gray) Piper USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1687 1893-8-19
GH: 02345147 Vicia americana Muhlenberg ex Willdenow USA: Utah Hills and mountains north of Salt Lake City P. A. Rydberg 6142 1905-6-12
GH: 02345301 Vicia americana minor Hooker USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 643 1892-6-16
Gentianaceae GH: 02072321 Gentiana andrewsii dakotica A. Nelson USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1736 1893-9-7
Geraniaceae GH: 01864276 Geranium carolinianum sphaerospermum (Fernald) Breitung USA: South Dakota Deadwood P. A. Rydberg 67
GH: 01864277 Geranium carolinianum sphaerospermum (Fernald) Breitung USA: South Dakota Whitewood P. A. Rydberg 1892-7-7
GH: 01866419 Geranium viscosissimum incisum (Torrey & A. Gray) N. H. Holmgren USA: South Dakota Rochford P. A. Rydberg 584 1892-7-11
Grimmiaceae FH: 00899779 Schistidium apocarpum (Hedwig) Bruch & Schimper USA: Montana [no additional data] P. A. Rydberg
Haloragaceae GH: 01628283 Myriophyllum sibiricum Komarov USA: Nebraska In the Lake Region; 30 miles S. of Whitman i... P. A. Rydberg 1651 1893-8-7
Hippuridaceae GH: 02000488 Hippuris vulgaris Linnaeus USA: Nebraska In the Lake Region of Grant County, 25 miles... P. A. Rydberg 1645 1893-8-4
Hydrangeaceae A: 01737048 Hydrangea arborescens Linnaeus USA: North Carolina Mount Mitchell P. A. Rydberg 9394a 1925-7-15
A: 01737165 Hydrangea arborescens Linnaeus USA: Virginia Peaks of Otter P. A. Rydberg 9247 1925-7-1
Iridaceae GH: 01750046 Sisyrinchium montanum Greene USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1251 1893-6-16
GH: 01750075 Sisyrinchium montanum Greene USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 1034 1892-6-19
Juncaceae GH: 02099562 Juncus balticus littoralis (Engelmann) Snogerup USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1401 1893-6-21
GH: 02102390 Juncus dudleyi Wiegand USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg C. C. Wright 1845 1893-7
GH: 02400068 Juncus marginatus Rostkovius USA: Nebraska Cody's Lakes at the head of Dismal River. P. A. Rydberg 1827 1893-8-9
GH: 02399056 Juncus nodosus Linnaeus USA: Nebraska On Middle Loup River, near Norway P. A. Rydberg 1369 1893-6-22
Lamiaceae GH: 01580872 Agastache foeniculum (Pursh) Kuntze USA: South Dakota Whitewood P. A. Rydberg 945 1892-7-7
GH: 01555177 Agastache urticifolia (Bentham) Kuntze USA: Utah Big Cottonwood Cañon, below Silver Lake P. A. Rydberg 6804 1905-7-8
GH: 01554573 Dracocephalum parviflorum Nuttall USA: South Dakota Elk Canyon P. A. Rydberg 947 1892-6-29
GH: 01553034 Hedeoma drummondii Bentham USA: Nebraska Scott's Bluff. P. A. Rydberg 297 1891-7-24
GH: 01552059 Leonurus cardiaca Linnaeus USA: West Virginia Snowy Mt. P. A. Rydberg 1925-6-19
GH: 01552275 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Nebraska Cody's Lake at the head of Dismal River. P. A. Rydberg 1655 1893-8-9
GH: 01552488 Lycopus asper Greene USA: Nebraska Cody's Lakes at the head of Dismal River. P. A. Rydberg 1658 1893-8-10
GH: 01552492 Lycopus asper Greene USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1702 1893-8-19
GH: 01552494 Lycopus asper Greene USA: Nebraska Pumpkin Seed Creek P. A. Rydberg 294 1891-7-18
GH: 01552865 Lycopus uniflorus Michaux USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1830 1893-8-17
GH: 01552867 Lycopus uniflorus Michaux USA: Nebraska Cody's Lakes at the head of Dismal River. P. A. Rydberg 1641 1893-8-9
GH: 01551771 Mentha canadensis Linnaeus USA: Nebraska Cody's Lake at the head of Dismal River. P. A. Rydberg 1658 1893-8-11
GH: 01551885 Mentha canadensis Linnaeus USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 938 1892-8-3
GH: 01599267 Monarda fistulosa mollis (Linnaeus) Bentham USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 153 1893-7-17
GH: 01599419 Monarda pectinata Nuttall USA: Nebraska On Dismal River, south of Thedford P. A. Rydberg 1387 1893-6-27
GH: 01596395 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Nebraska On South Fork of Dismal River P. A. Rydberg 1560 1893-8-14
GH: 01697486 Scutellaria galericulata Linnaeus USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1490 1893-7-11
GH: 01697531 Scutellaria galericulata Linnaeus USA: South Dakota Custer: [no additional data] P. A. Rydberg 948 1892-7-16
GH: 01700243 Teucrium canadense occidentale (A. Gray) E.M. McClint. & Epling USA: Nebraska Central [Nebraska] P. A. Rydberg 1610 1893-7-31
Linaceae GH: 02053281 Linum lewisii Pursh USA: South Dakota Hot Springs P. A. Rydberg 581 1892-6-14
GH: 02053843 Linum rigidum filifolium Shinners USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1361 1893-6-19
Lobeliaceae GH: 01798959 Lobelia siphilitica Linnaeus USA: Nebraska On South Fork of Dismal River P. A. Rydberg 1680 1893-8-11
GH: 01799276 Lobelia spicata hirtella A. Gray USA: Nebraska In the Lake Region of Grant County, 3 miles ... P. A. Rydberg 1818 1893-8-1
Lycopodiaceae GH: 02077229 Huperzia lucidula (Michaux) Trevisan USA: West Virginia Panther Mt. P. A. Rydberg 1925-6-19
Malvaceae GH: 02202195 Callirhoe alcaeoides (Michaux) A. Gray USA: Nebraska [no additional data] P. A. Rydberg 1891-6-13
GH: 02199571 Sphaeralcea coccinea (Nuttall) Rydberg USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1357 1893-6-14
Najadaceae GH: 01734562 Zannichellia palustris Linnaeus USA: Nebraska Cody's Lakes at the head of Dismal River. Ea... P. A. Rydberg 1661 1893-8-10
Nyctaginaceae GH: 01641570 Mirabilis albida (Walter) Heimerl USA: Nebraska Forks of Middle Loup River, Mullen P. A. Rydberg 1893-7-27
GH: 01641820 Mirabilis hirsuta (Pursh) MacMillan USA: South Dakota Hot Springs P. A. Rydberg 1892-8-2
GH: 01846414 Mirabilis nyctaginea (Michaux) MacMillan USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1893-7-5
Nymphaeaceae GH: 01740320 Nuphar variegata Engelmann ex Durand USA: Nebraska In the Lake Region; 30 miles south of Whitma... P. A. Rydberg 1650 1893-8-7
Oleaceae GH: 01849505 Fraxinus pennsylvanica Marshall USA: Nebraska On Middle Loup River, near Seneca P. A. Rydberg 1893-9-9
GH: 01849506 Fraxinus pennsylvanica Marshall USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1893-6-2
Onagraceae GH: 01624909 Calylophus serrulatus (Nuttall) P. H. Raven USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1313 1893-6-16
GH: 01624975 Calylophus serrulatus (Nuttall) P. H. Raven USA: South Dakota Rapid City (South Dakota): [no additional da... P. A. Rydberg 708 1892-6-25
GH: 01674453 Circaea alpina Linnaeus USA: South Dakota Custer: [no additional data] P. A. Rydberg 712 1892-7-16
GH: 01674701 Circaea canadensis canadensis (Linnaeus) Hill USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1463 1893-7-11
GH: 01672202 Epilobium brachycarpum C. Presl USA: South Dakota Custer: [no additional data] P. A. Rydberg 574 1892-8-21
GH: 01672213 Epilobium brachycarpum C. Presl USA: Utah City Creek Cañon, near Salt Lake City P. A. Rydberg 6259 1905-6-25
GH: 01672877 Epilobium ciliatum Rafinesque USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1556 1893-7-17
GH: 01672968 Epilobium ciliatum Rafinesque USA: South Dakota Rochford P. A. Rydberg 696 1892-7-12
GH: 01776381 Epilobium leptophyllum Rafinesque USA: Nebraska Near the Forks of Middle Loup P. A. Rydberg 1603 1893-7-26
GH: 01777808 Gaura coccinea Pursh USA: South Dakota Deadwood P. A. Rydberg 51 1913
GH: 01778843 Gayophytum nuttallii Torrey & A. Gray USA: South Dakota Rochford P. A. Rydberg 700 1892-7-12
GH: 01645283 Oenothera caespitosa Nuttall USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 707 1892-6-15
GH: 01643224 Oenothera pallida latifolia (Rydberg) Munz USA: Nebraska Near Middle Loup River P. A. Rydberg 1544 1893-7-17
GH: 01643617 Oenothera rhombipetala Nuttall USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1510 1893-7-8
GH: 01642090 Oenothera villosa Thunberg USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1578 1893-7-18
Orchidaceae GH: 01938417 Corallorhiza maculata occidentalis (Lindley) W. J. Schrenk USA: South Dakota Black Hills P. A. Rydberg 1892
AMES: 02045569 Platanthera huronensis (Nuttall) Lindley USA: Nebraska Thedford: Sand Hills of Central Nebraska. On... P. A. Rydberg 1297 1893-6-19
AMES: 02045655 Platanthera hyperborea (Linnaeus) Lindley : North America (CA, US, MX): [no additional d... P. A. Rydberg
AMES: 02032214 Spiranthes incurva (Jennings) M. C. Pace USA: Nebraska Sand Hills of Central Nebraska. Near Plummer... P. A. Rydberg 1719 1893-8-23
Orobanchaceae GH: 02034831 Agalinis tenuifolia parviflora (Nuttall) Pennell USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1671 1893-7-17
GH: 01877461 Castilleja leonardii Rydberg USA: Utah Big Cottonwood Cañon, below Silver Lake P. A. Rydberg 6774 1905-7-8
GH: 01878268 Castilleja miniata Douglas ex Hooker USA: Utah Big Cottonwood Cañon, below Silver Lake P. A. Rydberg 6773 1905-7-8
GH: 01879238 Castilleja sessiliflora Pursh USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1342 1893-6-17
GH: 01879390 Castilleja sulphurea Rydberg USA: South Dakota Deadwood P. A. Rydberg 64 1913-7-19
GH: 01879389 Castilleja sulphurea Rydberg USA: South Dakota Elk Canon P. A. Rydberg 929 1892-6-29
Papaveraceae GH: 01856441 Argemone albiflora Hornemann USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1358 1893-8
Parnassiaceae GH: 01787219 Parnassia palustris parviflora (de Candolle) B. Boivin USA: South Dakota the Black Hills, Custer P. A. Rydberg 1892-8-1
Phrymaceae GH: 01843366 Phryma leptostachya Linnaeus USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1529 1893-7-12
Pinaceae A: 00395699 Abies fraseri Poiret : North America (CA, US, MX): Roan Mountain, N... P. A. Rydberg 9333 1925-7-7
Plantaginaceae GH: 02212642 Callitriche palustris Linnaeus USA: South Dakota Custer: [no additional data] P. A. Rydberg 571 1892-7-15
GH: 01998833 Collinsia parviflora Lindley USA: South Dakota Elk Canon P. A. Rydberg 913 1892-6-29
GH: 01999712 Gratiola neglecta Torrey USA: South Dakota Custer: [no additional data] P. A. Rydberg 924 1892-7-16
GH: 02002143 Penstemon angustifolius Nuttall ex Pursh USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1284 1893-6-14
GH: 02118598 Penstemon cyananthus Hooker USA: Utah north of Salt Lake City P. A. Rydberg 6014 1905-6-9
GH: 02119229 Penstemon eatonii A. Gray USA: Utah Plains and mountains east of Milford P. A. Rydberg 6301 1905-6-22
GH: 02120015 Penstemon gracilis Nuttall USA: South Dakota Lead City P. A. Rydberg 921 1892-7-6
GH: 02120093 Penstemon grandiflorus Nuttall USA: South Dakota Hermosa: [no additional data] P. A. Rydberg 915 1892-6-24
GH: 02120198 Penstemon haydenii S. Watson USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1506 1893-7-6
GH: 01803579 Plantago patagonica Jacquin USA: Nebraska near Venango P. A. Rydberg 305 1891-6-23
GH: 01803575 Plantago patagonica Jacquin USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1310 1893-6-15
Polemoniaceae GH: 01092472 Collomia linearis Nuttall USA: South Dakota Hermosa: [no additional data] P. A. Rydberg 885 1892-6-23
GH: 01104072 Ipomopsis longiflora (Torrey) V. E. Grant USA: Nebraska On South Fork of Dismal River P. A. Rydberg 1605 1893-8-12
GH: 01571600 Phlox diffusa scleranthifolia (Rydberg) Wherry USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 881 1892-6-15
Polygonaceae GH: 01618214 Eriogonum annuum Nuttall USA: Nebraska Pumpkin Seed Valley P. A. Rydberg 332 1891-7-16
GH: 01618235 Eriogonum annuum Nuttall USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 969 1892-8-3
GH: 01618262 Eriogonum annuum Nuttall USA: Nebraska In the Lake Region; 3 miles N. E. of Whitman P. A. Rydberg 1580 1893-7-31
GH: 01618663 Eriogonum cernuum Nuttall USA: Nebraska [no additional data] P. A. Rydberg 7 1890-8
GH: 01652552 Eriogonum flavum Nuttall USA: South Dakota Hermosa: [no additional data] P. A. Rydberg 968 1892-6-23
GH: 02365103 Fagopyrum esculentum Moench USA: Nebraska On Middle Loup River, near THedford P. A. Rydberg 1567 1893-8-26
GH: 02365583 Fallopia scandens (Linnaeus) Holub USA: Nebraska South Fork of Dismal River P. A. Rydberg 1679 1893-8-11
GH: 02364416 Persicaria amphibia (Linnaeus) Delarbre USA: Nebraska In the Lake Region of Grant County, 3 miles ... P. A. Rydberg 1293 1893-9-20
GH: 02364805 Persicaria coccinea (Muhlenberg ex Willdenow) Greene USA: Nebraska Lake Region of Grant County, 3 miles N.E. of... P. A. Rydberg 1613 1893-7-29
GH: 02363822 Persicaria lapathifolia (Linnaeus) Delarbre USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1571 1893-7-28
GH: 02362844 Persicaria punctata (Elliott) Small USA: Nebraska Cody's Lakes at the head of Dismal River. P. A. Rydberg 1672 1893-8-10
GH: 02362841 Persicaria punctata (Elliott) Small USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1602 1893-9-9
GH: 02361139 Persicaria sagittata (Linnaeus) H. Gross USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1708 1893-8-19
GH: 02360250 Polygonum buxiforme Small USA: South Dakota Deadwood P. A. Rydberg 166 1913-7-22
GH: 02360247 Polygonum buxiforme Small USA: South Dakota Hot Springs P. A. Rydberg 979 1892-8-9
GH: 02360900 Polygonum latum Small ex Rydberg USA: Nebraska Near Middle Loup River P. A. Rydberg 1763 1893-9-13
GH: 02360899 Polygonum latum Small ex Rydberg USA: Nebraska Near Middle Loup River P. A. Rydberg 1763 1893-9-13
GH: 02360898 Polygonum latum Small ex Rydberg USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1771 1893-7-17
GH: 02007466 Polygonum prolificum (Small) B. L. Robinson USA: Nebraska Edge of West Lake. Cody's Lakes at the head ... P. A. Rydberg 1535 1893-8-9
GH: 02007648 Polygonum ramosissimum Michaux USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1579 1893-9-15
GH: 02007784 Polygonum sawatchense Small USA: South Dakota Custer: [no additional data] P. A. Rydberg 983 1892-7-16
GH: 02006396 Rumex acetosella Linnaeus USA: South Dakota Whitewood P. A. Rydberg 976 1892-7-7
GH: 02006833 Rumex britannica Linnaeus USA: Nebraska Cody's Lakes at the head of Dismal River. Ce... P. A. Rydberg 1670 1893-8-10
GH: 02005520 Rumex maritimus fueginus (Philippi) Dusén USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1572 1893-8-29
GH: 02004306 Rumex triangulivalvis (Danser) K. H. Rechinger USA: South Dakota Rochford. P. A. Rydberg 974 1892-7-11
GH: 02004428 Rumex venosus Pursh USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1288 1893-6-14
GH: 02004422 Rumex venosus Pursh USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1288 1893-6-14
GH: 02004454 Rumex venosus Pursh USA: South Dakota Hermosa: Black Hills P. A. Rydberg 972 1892-6-23
Potamogetonaceae GH: 01734037 Stuckenia pectinata (Linnaeus) Börner USA: Nebraska Cody's Lakes at the head of Dismal River. In... P. A. Rydberg 1659 1893-8-9
GH: 01734038 Stuckenia pectinata (Linnaeus) Börner USA: Nebraska On Dismal River, south of Thedford P. A. Rydberg 1439 1893-6-27
Primulaceae GH: 01942795 Androsace septentrionalis subumbellata A. Nelson USA: Montana Old Hollowtop, near Pony P. A. Rydberg 4680 1897-7-9
GH: 01942700 Androsace septentrionalis puberulenta (Rydberg) Knuth USA: Utah Big Cottonwood Cañon, below Silver Lake P. A. Rydberg 6815 1905-7-8
GH: 01942687 Androsace septentrionalis puberulenta (Rydberg) Knuth USA: South Dakota [no additional data] P. A. Rydberg 864 1892-6-3
GH: 01922756 Dodecatheon pulchellum (Rafinesque) Merrill USA: South Dakota [no additional data] P. A. Rydberg 862 1892-5-28
GH: 01918179 Lysimachia ciliata Linnaeus USA: South Dakota Rochford P. A. Rydberg 866 1892-7-11
GH: 01918175 Lysimachia ciliata Linnaeus USA: South Dakota Deadwood P. A. Rydberg 48 1913-7-11
GH: 01927521 Lysimachia thyrsiflora Linnaeus USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1262 1893-6-15
Pucciniaceae FH: 00976714 Phragmidium potentillae (Persoon) P. Karsten USA: Nebraska [no additional data] P. A. Rydberg 1891-7
FH: 00949140 Puccinia rubigo-vera (de Candolle) Winter, G. USA: South Dakota Hot Springs P. A. Rydberg 1892-6
Ranunculaceae GH: 01720621 Aconitum ramosum A. Nelson USA: South Dakota Rochford P. A. Rydberg 506 1892-7-12
GH: 01706755 Anemone cylindrica A. Gray USA: South Dakota Hermosa: [no additional data] P. A. Rydberg 487 1892-6-21
GH: 01707085 Anemone multifida Poiret USA: South Dakota Lead: Lead City P. A. Rydberg 486 1892-7-4
GH: 01708157 Anemone patens multifida Pritzel USA: South Dakota Custer: [no additional data] P. A. Rydberg 485 1892-5-28
GH: 01709497 Aquilegia flavescens S. Watson USA: Utah Around and below Twin Lakes, Big Cottonwood ... P. A. Rydberg 6752 1905-7-7
GH: 01656342 Clematis columbiana tenuiloba (A. Gray) J. S. Pringle USA: South Dakota Custer: Bull Springs, in the Lime Stone dist... P. A. Rydberg 484 1892-7-27
GH: 01657198 Clematis scottii Porter & J. M. Coulter USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 481 1892-6-1
GH: 01657199 Clematis scottii Porter & J. M. Coulter USA: Utah Headwaters of Little Cottonwood Creek, above... P. A. Rydberg 6861 1905-7-10
GH: 01658382 Delphinium bicolor Nuttall USA: South Dakota Custer: [no additional data] P. A. Rydberg 504 1892-6-3
GH: 01658696 Delphinium carolinianum penardii (Huth) Warnock USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1360 1893-6-19
GH: 01661063 Halerpestes cymbalaria (Pursh) Green USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1334 1893-6-16
GH: 01665839 Ranunculus longirostris Godron USA: South Dakota Piedmont and Little Elk Creek P. A. Rydberg 492 1892-6-28
GH: 01837045 Ranunculus pensylvanicus Linnaeus f. USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1559 1893-7-17
GH: 01837071 Ranunculus pensylvanicus Linnaeus f. USA: South Dakota Custer: [no additional data] P. A. Rydberg 499 1892-7-15
GH: 01837879 Ranunculus rhomboideus Goldie USA: South Dakota Custer: [no additional data] P. A. Rydberg 495 1892-5-26
GH: 01838151 Ranunculus sceleratus multifidus Nuttall USA: South Dakota Elk Canon P. A. Rydberg 498 1892-6-29
GH: 01838794 Thalictrum dasycarpum Fischer & Ave-Lallemant USA: Nebraska On South Fork of Dismal River P. A. Rydberg 1413 1893-8-14
Rhamnaceae GH: 01789490 Ceanothus fendleri A. Gray USA: South Dakota Bull Springs, in the Lime Stone district Wes... P. A. Rydberg 1892-7-26
GH: 01789780 Ceanothus herbaceus Rafinesque USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1893-6-17
GH: 01789822 Ceanothus herbaceus Rafinesque USA: South Dakota Piedmont and Little Elk Creek P. A. Rydberg 1892-6-28
GH: 01790319 Ceanothus velutinus Douglas USA: South Dakota Deadwood P. A. Rydberg 164 1913
GH: 01790321 Ceanothus velutinus Douglas USA: South Dakota Lead: Lead City P. A. Rydberg
Rosaceae GH: 01586993 Agrimonia striata Michaux USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1495 1893-7-21
GH: 01726551 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: South Dakota Elk Canon P. A. Rydberg 680 1892-6-29
A: 01728557 Amelanchier laevis Wiegand USA: North Carolina Mount Pisgah P. A. Rydberg 9481 1925-7-24
A: 01728625 Amelanchier laevis Wiegand USA: West Virginia Panther Mountain P. A. Rydberg 9052 1925-6-15
GH: 01729576 Amelanchier utahensis Koehne USA: Utah Divide between Big Cottonwood Cañon and Heb... P. A. Rydberg 6662 1905-7-5
GH: 01758912 Crataegus chrysocarpa Ashe USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1528 1893-7-11
GH: 01608295 Drymocallis arguta (Pursh) Rydberg USA: Nebraska Near Plummer Ford Dismal River P. A. Rydberg 1474 1893-7-3
GH: 01608323 Drymocallis arguta (Pursh) Rydberg USA: South Dakota Hermosa: [no additional data] P. A. Rydberg 664 1892-6-22
GH: 01608701 Drymocallis micropetala Rydberg USA: Utah Red Rock Cañon, near Salt Lake City P. A. Rydberg 6074 1905-6-11
GH: 01606475 Fragaria vesca americana (Porter) Staudt USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1481 1893-7-6
GH: 01607136 Fragaria virginiana glauca (S. Watson) Staudt USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 662 1892-6-14
GH: 01608971 Geum aleppicum strictum Fernald USA: Nebraska On Middle Loup River, near Nattick P. A. Rydberg 1364 1893-6-20
GH: 01608972 Geum aleppicum strictum Fernald USA: Nebraska On Middle Loup River, near Nattick P. A. Rydberg 1458 1893-6-20
GH: 01609015 Geum aleppicum strictum Fernald USA: South Dakota Rapid City (South Dakota): [no additional da... P. A. Rydberg 1206 1892-6-25
GH: 01609207 Geum canadense Jacquin USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1456 1893-7-3
GH: 01610412 Geum triflorum Pursh USA: South Dakota Custer: [no additional data] P. A. Rydberg 660 1892-5-28
GH: 00994467 Gillenia trifoliata (Linnaeus) Moench USA: West Virginia Snowy Mt. P. A. Rydberg 1925-6-17
GH: 00339153 Opulaster intermedius Rydberg USA: South Dakota On French Creek, 10 below Custer P. A. Rydberg 653 1892-7-22
GH: 00339153 Opulaster opulifolius (Linnaeus) Kuntze USA: South Dakota On French Creek, 10 below Custer P. A. Rydberg 653 1892-7-22
GH: 00339153 Physocarpus monogynus (Torrey) J. M. Coulter USA: South Dakota On French Creek, 10 below Custer P. A. Rydberg 653 1892-7-22
GH: 01590573 Physocarpus monogynus (Torrey) J. M. Coulter USA: South Dakota Sylvan Lake and Harney Peak P. A. Rydberg 654 1892-7-21
GH: 00339153 Physocarpus opulifolius (Linnaeus) Maximowicz USA: South Dakota On French Creek, 10 below Custer P. A. Rydberg 653 1892-7-22
A: 01590996 Physocarpus opulifolius (Linnaeus) Maximowicz USA: West Virginia Snowy Mountain P. A. Rydberg 9083 1925-6-17
GH: 01566563 Potentilla anserina Linnaeus USA: Utah Along Sevier River, above Marysvale P. A. Rydberg 6932 1905-7-19
GH: 01568356 Potentilla hippiana Lehmann USA: South Dakota Rochford P. A. Rydberg 668 1892-7-12
GH: 01569476 Potentilla norvegica Linnaeus USA: Nebraska Cody's Lakes at the head of Dismal River. P. A. Rydberg 1469 1893-8-10
GH: 01569799 Potentilla pensylvanica Linnaeus USA: Nebraska On South Fork of Dismal River P. A. Rydberg 1611 1893-8-14
GH: 01569819 Potentilla pensylvanica Linnaeus USA: South Dakota Hermosa: [no additional data] P. A. Rydberg 667 1892-6-23
GH: 01570031 Potentilla pulcherrima Lehmann USA: South Dakota Lead: Lead City P. A. Rydberg 670 1892-7-4
GH: 01011979 Potentilla rivalis Nuttall USA: Nebraska In the Lake Region of Grant County, 25 miles... P. A. Rydberg 1819 1893-8-4
GH: 01705669 Prunus americana Marshall USA: Nebraska On Middle Loup River, near Norway P. A. Rydberg 1776 1893-6-22
GH: 01723242 Prunus pensylvanica Linnaeus f. USA: South Dakota Lead: Lead City P. A. Rydberg 647 1892-7-6
GH: 01723438 Prunus pumila besseyi (L. H. Bailey) Waugh USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1324 1893-6-16
GH: 01725681 Prunus virginiana demissa (Nuttall) Torrey USA: Nebraska On Middle Loup River, near Norway P. A. Rydberg 1256 1893-6-22
A: 01725687 Prunus virginiana demissa (Nuttall) Torrey USA: Nebraska on Middle Loup River, near Muller P. A. Rydberg 1256 1893-7-27
GH: 01725807 Prunus virginiana demissa (Nuttall) Torrey USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 650 1892-6-13
GH: 01557474 Rosa arkansana Porter USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1392 1893-6-21
GH: 01601297 Rosa woodsii Lindley USA: Nebraska Near the Forks of Middle Loup P. A. Rydberg 1606 1893-7-27
GH: 01605674 Rubus idaeus strigosus (Michaux) Focke USA: South Dakota Elk Canon P. A. Rydberg 657 1892-6-29
GH: 01701280 Rubus occidentalis Linnaeus USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1465 1893-7-3
GH: 01702650 Rubus pubescens Rafinesque USA: South Dakota Canon N. of Rumpels P. A. Rydberg 656 1892-7-30
A: 01862700 Sorbus americana Marshall USA: West Virginia Panther Mountain P. A. Rydberg 9028 1925-6-15
GH: 01589326 Spiraea betulifolia lucida (Douglas ex Hooker) C. L. Hitchcock USA: South Dakota Lead: Lead City P. A. Rydberg 651 1892-7-6
Rubiaceae GH: 02139464 Galium tinctorium Linnaeus USA: Nebraska On Dismal River, south of Thedford, P. A. Rydberg 1840 1893-6-26
GH: 02140366 Galium triflorum Michaux USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1519 1893-7-11
GH: 02140462 Galium triflorum Michaux USA: South Dakota Elk Canon P. A. Rydberg 749 1892-6-29
Santalaceae GH: 01932877 Comandra umbellata pallida (A. de Candolle) Piehl USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 136B 1893-6-19
Saxifragaceae GH: 01735748 Heuchera richardsonii R. Brown USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 683 1892-6-8
GH: 01711015 Heuchera villosa Michaux USA: Virginia Konnarock P. A. Rydberg 1925-7-31
GH: 01633323 Ribes americanum Miller USA: Nebraska On Middle Loup River, near Norway P. A. Rydberg 1415 1893-6-22
GH: 01633926 Ribes cereum Douglas USA: South Dakota Custer: [no additional data] P. A. Rydberg 689 1892-5-21
A: 01886221 Ribes inebrians Lindley USA: Nebraska Lawrence Fork P. A. Rydberg 104 1891-7-8
GH: 01887470 Ribes odoratum H. Wendland USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1366 1893-7-3
GH: 01887664 Ribes oxyacanthoides Linnaeus USA: South Dakota Minnekahta and Pringle P. A. Rydberg 686 1892-8-6
Scrophulariaceae GH: 01841459 Erythranthe geyeri (Torrey) G. L. Nesom USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1331 1893-7-16
GH: 00549586 Mimulus guttatus de Candolle USA: South Dakota Lead: Lead City P. A. Rydberg 922 1892-7-7
GH: 02040050 Scrophularia lanceolata Pursh USA: Utah City Creek Cañon, near Salt Lake City P. A. Rydberg 6262 1905-6-25
Solanaceae GH: 01541272 Physalis heterophylla Nees USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1398 1893-6-21
GH: 01541275 Physalis heterophylla Nees USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1287 1893-6-14
GH: 01541447 Physalis longifolia Nuttall USA: South Dakota Hot Springs (South Dakota): [no additional d... P. A. Rydberg 910 1892-6-18
GH: 01541775 Physalis pumila hispida (Waterfall) J. R. Sullivan USA: Nebraska In the Lake Region; 25 miles south of Whitma... P. A. Rydberg 1330 1893-8-5
GH: 01543564 Solanum triflorum Nuttall USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1395 1893-6-21
Ulmaceae GH: 01931684 Ulmus americana Linnaeus USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1541 1893-7-13
GH: 01931749 Ulmus americana Linnaeus USA: Nebraska Near the Forks of Dismal River P. A. Rydberg 1541 1893-7-13
Urticaceae GH: 02170157 Boehmeria cylindrica (Linnaeus) Swartz USA: Nebraska On Middle Loup River, near Halsey P. A. Rydberg 1745 1893-9-11
GH: 02170559 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Nebraska The Sand Hills of Central Nebraska; Cody's L... P. A. Rydberg 1473 1893-8-11
GH: 02170774 Pilea fontana (Lunell) Rydberg USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1609 1893-8-7
GH: 02171362 Urtica dioica gracilis (Aiton) Selander USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1520 1893-7-11
Verbenaceae GH: 01800531 Glandularia bipinnatifida (Nuttall) Nuttall USA: South Dakota Fall River Falls P. A. Rydberg 935 1892-6-18
GH: 01954751 Verbena bracteata Lagasca & Rodriguez USA: South Dakota Deadwood P. A. Rydberg 179 1913-7-23
GH: 01954781 Verbena bracteata Lagasca & Rodriguez USA: Utah Along Bullion Creek, above Marysvale P. A. Rydberg [data not captured] 1043 1905-7-21
GH: 01955127 Verbena hastata Linnaeus USA: Nebraska On Middle Loup River, near Thedford P. A. Rydberg 1515 1893-9-8
GH: 01955646 Verbena rydbergii Moldenke USA: Nebraska On Middle Loup River, near Mullen P. A. Rydberg 1564 1893-7-18
GH: 01955920 Verbena stricta Ventenat USA: Nebraska On Dismal River, south of Thedford P. A. Rydberg 1422 1893-6-27
Violaceae GH: 02144800 Viola adunca Smith USA: Utah Big Cottonwood Canyon P. A. Rydberg 1304 1905-6-28
GH: 02144790 Viola adunca Smith USA: South Dakota Custer P. A. Rydberg 547 1892-5-28
GH: 02145995 Viola canadensis rugulosa (Greene) C. L. Hitchcock USA: South Dakota Rochford P. A. Rydberg 549 1892-7-11
GH: 02147904 Viola nuttallii Pursh USA: South Dakota Hot Springs P. A. Rydberg 550 1892-6-12
Vitaceae GH: 01579774 Vitis riparia Michaux USA: Nebraska Near Plummer Ford, Dismal River P. A. Rydberg 1466 1893-7-3
