Aspleniaceae GH: 02068728 Asplenium rhizophyllum Linnaeus USA: New Jersey Plainfield: [no additional data] F. Tweedy 1878-10
Asteraceae GH: 00004612 Carduus tweedyi Rydberg USA: Wyoming Soda Butte Creek, Yellowstone F. Tweedy 759 1885-7
GH: 00004612 Cirsium hookerianum Nuttall USA: Wyoming Soda Butte Creek, Yellowstone F. Tweedy 759 1885-7
GH: 00004612 Cirsium tweedyi (Rydberg) Petrak USA: Wyoming Soda Butte Creek, Yellowstone F. Tweedy 759 1885-7
GH: 02205327 Ericameria discoidea (Nuttall) G. L. Nesom USA: Wyoming Near Yellowstone Lake F. Tweedy 722 1885-9
GH: 02207986 Erigeron caespitosus Nuttall USA: Wyoming Yellowstone park F. Tweedy 128 1884-8
GH: 02353787 Erigeron linearis (Hooker) Piper USA: Wyoming Junction Butte Yellowstone Park F. Tweedy 712 1885-7
GH: 02353924 Erigeron lonchophyllus Hooker USA: Yellowstone Park F. Tweedy 129 1884-8
GH: 02352173 Erigeron ochroleucus Nuttall USA: Wyoming [illegible] Creek; Yellowstone Park F. Tweedy 702 1885-7
GH: 02352163 Erigeron ochroleucus Nuttall USA: Montana [data not captured] F. Tweedy 1889-6
GH: 00006739 Erigeron ochroleucus ochroleucus USA: Montana Grasshopper Creek, dry hills, 7000 feet F. Tweedy 15 1888-7
GH: 00006739 Erigeron parryi Canby & Rose USA: Montana Grasshopper Creek, dry hills, 7000 feet F. Tweedy 15 1888-7
GH: 00006792 Erigeron tweedyi Canby USA: Montana Along Trail Creek F. Tweedy 360 1887-7-16
Boraginaceae GH: 00269291 Cryptantha bradburiana Payson USA: Wyoming Mountain Hot Springs, Yellowstone Park F. Tweedy 816 1885-6
GH: 00062073 Mertensia tubiflora Rydberg USA: Wyoming Headwaters of Tongue River, Big Horn Mountai... F. Tweedy 119 1898-7
GH: 02143208 Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: Wyoming shore of Yellowstone Lake F. Tweedy 817 1885-9
Brassicaceae GH: 00960665 Arabis hirsuta pycnocarpa (M. Hopkins) Rollins USA: Wyoming Mammoth Hot Springs, Yellowstone Park F. Tweedy 555 1885-6
GH: 00946564 Boechera microphylla (Nuttall) Dorn USA: Wyoming near Slough Creek, Yellowstone Park F. Tweedy 554 1885-7
GH: 00946566 Boechera microphylla (Nuttall) Dorn USA: Wyoming Slough Creek, Yellowstone Park F. Tweedy 554 1885-7
GH: 00946616 Boechera nuttallii (Kuntze) Dorn USA: Wyoming Sepulchre Mt., Yellowstone Park F. Tweedy 559 1885-6
GH: 01731114 Thelypodium paniculatum A. Nelson USA: Wyoming Pelican Creek, Yellowstone Park F. Tweedy 1885-7
Caprifoliaceae A: 00685352 Viburnum opulus trilobum (Marsh.) Clausen USA: Rhode Island Newport: Newport F. Tweedy 1882
Caryophyllaceae GH: 00581615 Stellaria graminea Linnaeus USA: Rhode Island Newport: Newport F. Tweedy 1881
Crassulaceae GH: 01871819 Crassula aquatica (Linnaeus) Schönland USA: Wyoming Yellowstone Lake F. Tweedy 440 1885-9
Cyperaceae GH: 02395688 Carex jonesii L. H. Bailey USA: Cascade Mts [Oregon or Washington] F. Tweedy 21
GH: 02395688 Carex nervina L. H. Bailey USA: Cascade Mts [Oregon or Washington] F. Tweedy 21
GH: 02368323 Carex nigricans C. A. Meyer : US and Canada (countries only and not Greenl... F. Tweedy 6
GH: 02370903 Carex occidentalis L. H. Bailey USA: Wyoming Mammoth Hot Springs, Yellowstone National Pa... F. Tweedy 651 1885-6
GH: 02405380 Carex rossii Boott USA: Yellowstone Park F. Tweedy 1885-8
GH: 02394053 Carex stipata Muhlenberg ex Willdenow USA: Washington [data not captured] F. Tweedy 17
Elatinaceae GH: 00112458 Elatine rubella Rydberg USA: Wyoming Muddy shore of Yellowstone Lake F. Tweedy 439 1885-9
Ericaceae GH: 01719076 Moneses uniflora (Linnaeus) A. Gray USA: Wyoming along Soda Butte Creek. Yellowstone Park F. Tweedy 921 1885-7
GH: 01683456 Phyllodoce sp. USA: Montana [data not captured] F. Tweedy 92 1887-8-20
GH: 01683950 Pyrola asarifolia Michaux USA: Montana Soda Butte Creek, Yellowstone Park F. Tweedy 916 1885-7
GH: 01761163 Pyrola chlorantha Swartz USA: Wyoming Cache Creek, Yellowstone National Park F. Tweedy 918 1885-8
Fabaceae GH: 02048420 Astragalus reventus A. Gray USA: Montana [no additional data] F. Tweedy 1889-7
A: 00591597 Genista tinctoria Linnaeus USA: Rhode Island Newport: Newport F. Tweedy 1881-7-26
GH: 02085196 Lupinus argenteus Pursh USA: Wyoming Yellowstone Park F. Tweedy 59-60 1884-8
GH: 02132114 Oxytropis campestris (Linnaeus) de Candolle USA: Wyoming Amethyst Mountain, Yellowstone Park F. Tweedy 549 1885-7
GH: 02132546 Oxytropis cusickii Greenman USA: Yellowstone Park F. Tweedy 67 1884-8
GH: 02132637 Oxytropis deflexa foliolosa (Hooker) Barneby USA: Wyoming Mt. Washburne, Yellowstone Park F. Tweedy 78 1884-8
Juncaceae GH: 02100716 Juncus bufonius Linnaeus USA: [data not captured] F. Tweedy 40
GH: 02102160 Juncus drummondii E. Meyer : US and Canada (countries only and not Greenl... F. Tweedy 31
GH: 02401097 Juncus ensifolius Wikström USA: [data not captured] F. Tweedy 36
GH: 02401187 Juncus falcatus E. H. F. Meyer USA: [data not captured] F. Tweedy 37
GH: 02400673 Juncus mertensianus Bongard USA: Washington [data not captured] F. Tweedy 676 1883-8
GH: 02399347 Juncus parryi Engelmann : US and Canada (countries only and not Greenl... F. Tweedy 32
GH: 02399345 Juncus parryi Engelmann : US and Canada (countries only and not Greenl... F. Tweedy 26
GH: 02397320 Juncus textilis Buchenau : US and Canada (countries only and not Greenl... F. Tweedy 35
GH: 02397321 Juncus textilis Buchenau : US and Canada (countries only and not Greenl... F. Tweedy 34
GH: 02397370 Juncus torreyi Coville : US and Canada (countries only and not Greenl... F. Tweedy
GH: 02396787 Luzula comosa laxa Buchenau USA: Washington [data not captured] F. Tweedy 28
GH: 02117415 Luzula glabrata Desvaux USA: [data not captured] F. Tweedy 30
GH: 02366513 Luzula parviflora melanocarpa (Michaux) Hämet-Ahti USA: Montana [data not captured] F. Tweedy 27
GH: 02366738 Luzula spicata Linnaeus : US and Canada (countries only and not Greenl... F. Tweedy 29
Lentibulariaceae GH: 01976027 Utricularia resupinata B. D. Greene ex Bigelow USA: New York Big Moose Lake. F. Tweedy 1879-8
Onagraceae GH: 01671793 Epilobium haleanum Haussknecht USA: Wyoming Soda Butte Creek, Yellowstone Park F. Tweedy 520 1885-7
GH: 01776122 Epilobium hornemannii Reichenbach USA: Wyoming Soda Butte Creek, Yellowstone Park F. Tweedy 519 1885-7
Orchidaceae AMES: 01062856 Platanthera flava herbiola (R. Brown) Luer USA: Rhode Island Newport: Newport F. Tweedy 2776 1881-7-20
Plantaginaceae GH: 02002434 Penstemon attenuatus pseudoprocerus (Rydberg) Cronquist USA: Wyoming Mountain Hot Springs, Yellowstone Park. F. Tweedy 861 1885-6
GH: 02002435 Penstemon attenuatus pseudoprocerus (Rydberg) Cronquist USA: Wyoming Yellowstone Park. F. Tweedy 862 1885-8
GH: 01539583 Penstemon deustus Douglas USA: Wyoming Junction Butte, Yellowstone Park. F. Tweedy 868 1885-7
GH: 00078142 Penstemon tweedyi Canby & Rose USA: Montana Sub-alpine bogs, 9500 feet F. Tweedy 35 1888-6
GH: 00092248 Plantago eriopoda tweedyi (A. Gray) Boivin USA: Wyoming On grassy slopes of the East Fork of the Yel... F. Tweedy 452 1885-8
GH: 00092248 Plantago tweedyi A. Gray USA: Wyoming On grassy slopes of the East Fork of the Yel... F. Tweedy 452 1885-8
Poaceae GH: 02579161 Agrostis humilis Vasey USA: Wyoming Yellowstone Park F. Tweedy 603 1885
GH: 00023016 Alopecurus occidentalis Scribner & Tweedy USA: Wyoming East Fork, Yellowstone National Park, alt. 9... F. Tweedy 591 1885-8
GH: 00023284 Calamagrostis scribneri Beal USA: Wyoming Slough Creek, Yellowstone National Park F. Tweedy 585 1885
GH: 00023303 Calamagrostis stricta (Timm) Koeler USA: Wyoming Meadows, East Fork, Yellowstone Park F. Tweedy 582 1885-8
GH: 00023284 Deyeuxia dubia Scribner & Tweedy USA: Wyoming Slough Creek, Yellowstone National Park F. Tweedy 585 1885
GH: 00023303 Deyeuxia neglecta gracilis Scribner USA: Wyoming Meadows, East Fork, Yellowstone Park F. Tweedy 582 1885-8
GH: 00023800 Glyceria nervata stricta Scribner USA: Wyoming Mammoth Hot Springs, Yellowstone National Pa... F. Tweedy 594 1885-6
GH: 00024327 Poa cusickii subaristata Soreng USA: Wyoming East Fork, Yellowstone National Park F. Tweedy 633 1885
GH: 00024327 Poa subaristata Scribner USA: Wyoming East Fork, Yellowstone National Park F. Tweedy 633 1885
GH: 02579161 Podagrostis humilis (Vasey) Björkman USA: Wyoming Yellowstone Park F. Tweedy 603 1885
GH: 00017899 Stipa comata intermedia Scribner USA: Junction Butte F. Tweedy 610 1885-7
Polygalaceae GH: 00025887 Polygala lindheimeri parvifolia Wheelock USA: Texas F. Tweedy 1879
GH: 00025887 Polygala puberula A. Gray USA: Texas F. Tweedy 1879
GH: 00025887 Polygala tweedyi Britton ex Wheelock USA: Texas F. Tweedy 1879
Polygonaceae GH: 01618600 Eriogonum caespitosum Nuttall USA: Wyoming Sepulchre Mt., Yellowstone Park F. Tweedy 775 1885-6
GH: 01986545 Eriogonum ovalifolium Nuttall USA: Wyoming Yellowstone Park F. Tweedy 23 1884-8
GH: 01986775 Eriogonum pauciflorum Pursh USA: Montana [data not captured] F. Tweedy 1889-7
GH: 02006525 Rumex altissimus Alph. Wood USA: Texas Knickerbocker Ranche, Dove Creek. F. Tweedy 1880-5
Ranunculaceae GH: 01709737 Aquilegia jonesii Parry USA: Montana [no additional data] F. Tweedy 1889-7
A: 01710931 Clematis columbiana (Nuttall) Torrey & A. Gray USA: New Jersey Fetville [Berkeley Heights] F. Tweedy 1878-5
GH: 01656314 Clematis columbiana (Nuttall) Torrey & A. Gray USA: Wyoming Mammoth Hot Springs F. Tweedy 893 1895-6
Rosaceae A: 01605737 Rubus idaeus strigosus (Michaux) Focke USA: Wyoming Yellowstone Park F. Tweedy 95 1884
Salicaceae GH: 00031093 Salix barrattiana tweedyi Bebb USA: Wyoming Head of Goose Creek, Big Horn Mountains F. Tweedy 11 1893-7-15
GH: 00031093 Salix tweedyi (Bebb) C. R. Ball USA: Wyoming Head of Goose Creek, Big Horn Mountains F. Tweedy 11 1893-7-15
Saxifragaceae GH: 00043082 Saxifraga claytoniifolia Canby USA: Oregon The Dalles: F. Tweedy 739
GH: 00043082 Saxifraga fragosa Suksdorf USA: Oregon The Dalles: F. Tweedy 739
GH: 00043105 Saxifraga montanensis Small USA: Alt. 6000 feet F. Tweedy 58 1888-7
Scrophulariaceae GH: 01841100 Erythranthe breweri (Greene) G. L. Nesom & N. S. Fraga USA: Wyoming Yellowstone Park F. Tweedy 876 1885-8
GH: 01845619 Erythranthe breweri (Greene) G. L. Nesom & N. S. Fraga USA: Wyoming Yellowstone Park F. Tweedy 875 1885-6
GH: 01842212 Erythranthe lewisii (Pursh) G. L. Nesom & N. S. Fraga USA: Wyoming Along Slough Creek, Yellowstone Park F. Tweedy 873 1885-7
