Anacardiaceae GH: 01869431 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Wyoming Palmer Canyon, 15 miles west of Wheatland Ced. L. Porter 4415 1947-9-10
Asclepiadaceae GH: 00967747 Asclepias engelmanniana Woodson USA: Colorado in Sand Canyon, 25 miles south of Pirtchett,... Ced. L. Porter 4276 1947-7-11
GH: 00993595 Asclepias latifolia (Torrey) Rafinesque USA: Colorado Sand Canyon, near the Oklahoma line south of... Ced. L. Porter 4267 1947-7-11
GH: 00961063 Asclepias pumila (A. Gray) Vail USA: Colorado Corrizo Canyon region Ced. L. Porter 4294 1947-7-12
GH: 01082758 Asclepias viridiflora Rafinesque USA: Colorado 16 miles south of LaMar Ced. L. Porter 4301 1947-7-13
Asteraceae GH: 02141792 Agoseris parviflora (Nuttall) D. Dietrich USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4171 1947-5-26
GH: 00988260 Artemisia frigida Willdenow USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 1947-8-24
GH: 00988847 Artemisia ludoviciana Nuttall USA: Wyoming along Ten Sleep River near the Tyrell Ranger... Ced. L. Porter 1947-8-5
GH: 01234086 Artemisia michauxiana Besser USA: Wyoming Powder River Pass, Big Horn Mts. Ced. L. Porter 1947-8-6
GH: 01234503 Artemisia spinescens D. C. Eaton USA: Wyoming 2 miles south of Sinclair Ced. L. Porter 4176 1947-5-25
GH: 02215817 Chaetopappa ericoides (Torrey) G. L. Nesom USA: Colorado along the Arkansas River near Hasty Ced. L. Porter 4111 1947-5-3
GH: 02020341 Cirsium arvense (Linnaeus) Scopoli USA: Wyoming 5 miles west of Laramie Ced. L. Porter 4394 1947-8-16
GH: 02142657 Crepis modocensis Greene USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4172 1947-5-26
GH: 02205506 Ericameria nauseosa (Pallas ex Pursh) G. L. Nesom & G. I. Baird USA: Wyoming On the Georgia Kate ranch near Laramie Peak Ced. L. Porter 4417 1947-9-10
GH: 02348188 Erigeron engelmannii A. Nelson USA: Wyoming Semineo Mts., near the dam Ced. L. Porter 4165 1947-5-25
GH: 02351142 Erigeron pumilis Nuttall USA: Wyoming Pole mt. region, Ced. L. Porter 4328 1947-7-28
GH: 02204583 Heterotheca villosa foliosa (Nuttall) Harms USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4403 1947-8-24
GH: 01831283 Hieracium albiflorum Hooker USA: Wyoming between Albany and Keystone, Medicine Bow Mt... Ced. L. Porter 4335 1947-7-31
GH: 01831756 Hieracium gracile Hooker USA: Wyoming near Lake Marie, Medicine Bow Mts. Ced. L. Porter 4393 1947-8-15
Betulaceae GH: 02194523 Betula occidentalis Hooker USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4401 1947-8-24
GH: 02194522 Betula occidentalis Hooker USA: Wyoming Palmer Canyon, 15 miles west of Wheatland Ced. L. Porter 4414 1947-9-10
Boraginaceae GH: 01997188 Lithospermum ruderale Douglas ex Lehmann USA: Wyoming Seminoe Dam region, Seminoe Mts. Ced. L. Porter 4156 1947-5-25
GH: 02058123 Mertensia lanceolata (Pursh) de Candolle USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4147 1947-5-25
GH: 02060544 Oreocarya flavoculata A. Nelson USA: Wyoming Between Hanna and Walcott Ced. L. Porter 4158 1947-5-25
GH: 02060532 Oreocarya flavoculata A. Nelson USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4184 1947-5-26
Brassicaceae GH: 00944112 Boechera stricta (Graham) Al-Shehbaz USA: Wyoming near Welch's resort on the Ten Sleep River, ... Ced. L. Porter 4365 1947-8-5
GH: 01155434 Descurainia pinnata brachycarpa (Richardson) Detling USA: Wyoming along the Platte River in the canyon 5 miles... Ced. L. Porter 4139 1947-5-25
GH: 01155508 Descurainia pinnata halictorum (Cockerell) Detling USA: Colorado La Mar Ced. L. Porter 4135 1947-5-4
GH: 01155572 Descurainia pinnata intermedia (Rydberg) Detling USA: Colorado La Mar Ced. L. Porter 4136 1947-5-4
GH: 01155594 Descurainia sophia (Linnaeus) Webb ex Prantl USA: Colorado La Mar Ced. L. Porter 4134 1947-5-4
GH: 01540052 Erysimum repandum Linnaeus USA: Colorado near Limon Ced. L. Porter 4127 1947-5-4
GH: 01573603 Physaria acutifolia Rydberg USA: Wyoming Gumbo flats 2 miles south of Sinclair Ced. L. Porter 4145 1947-5-25
GH: 01687616 Physaria montana (A. Gray) Greene USA: Colorado 3 miles N. of Pueblo Ced. L. Porter 4118 1947-5-3
GH: 01687847 Physaria ovalifolia (Rydberg) O'Kane & Al-Shehbaz USA: Colorado between Pueblo and Rocky Ford, northern Oter... Ced. L. Porter 4116 1947-5-3
GH: 01687851 Physaria ovalifolia (Rydberg) O'Kane & Al-Shehbaz USA: Colorado 16 miles south of LaMar Ced. L. Porter 4302 1947-7-13
GH: 01716903 Stanleya viridiflora Nuttall USA: Wyoming Seminoe Mts. Ced. L. Porter 4399 1947-8-24
Caesalpiniaceae GH: 01679047 Pomaria jamesii (Torrey & A. Gray) Walpers USA: Colorado Corrizo Canyon region Ced. L. Porter 4290 1947-7-12
Caryophyllaceae GH: 01714813 Paronychia jamesii Torrey & A. Gray USA: Colorado East slopes of Sand Canyon, 25 miles south o... Ced. L. Porter 4257 1947-7-11
Chenopodiaceae GH: 01826821 Atriplex rosea Linnaeus USA: Wyoming near Woods Landing, southwestern Albany Coun... Ced. L. Porter 4854 1947-10-5
GH: 01784689 Grayia spinosa (Hooker) Moquin-Tandon USA: Wyoming Platte Canyon north of Sinclair Ced. L. Porter 4183 1947-5-26
Convolvulaceae GH: 02055901 Convolvulus equitans Bentham USA: Colorado Sand Canyon, 25 miles south of Pritchett, ne... Ced. L. Porter 4271 1947-7-11
GH: 02042243 Ipomoea leptophylla Torrey USA: Colorado Sand Canyon, 25 miles south of Pritchett, ne... Ced. L. Porter 4270 1947-7-11
Cyperaceae GH: 02394669 Carex disperma Dewey USA: Wyoming along Ten Sleep river near Tyrell Ranger Sta... Ced. L. Porter 4363 1947-8-5
GH: 02392514 Carex praeceptorum Mackenzie USA: Wyoming Silver Lake, Medicine Bow Mts. Ced. L. Porter 4388 1947-8-15
GH: 02392513 Carex praeceptorum Mackenzie USA: Wyoming Ten Sleep River near Tyrell Ranger Station, ... Ced. L. Porter 4357 1947-8-5
Droseraceae GH: 01145304 Drosera rotundifolia Linnaeus USA: Washington Lake Capousen, 15 miles south of Puyallup. Ced. L. Porter 4224 1947-6-15
Ericaceae GH: 01592244 Gaultheria shallon Pursh USA: Washington near Puyallup Ced. L. Porter 4212 1947-6-13
GH: 01720129 Orthilia secunda (Linnaeus) House USA: Wyoming Ten Sleep Creek near the Tyrell Ranger Stati... Ced. L. Porter 4364 1947-8-5
GH: 01761179 Pyrola chlorantha Swartz USA: Wyoming canyon of the Middle Fork of the Little Lara... Ced. L. Porter 4322 1947-7-23
GH: 01763966 Rhododendron groenlandicum (Oeder) Kron & Judd USA: Washington [data not captured] Ced. L. Porter 4220 1947-6-15
Fabaceae GH: 02067665 Astragalus agrestis G. Don USA: Montana near Hardin Ced. L. Porter 4191 1947-6-7
GH: 02047381 Astragalus cibarius E. Sheldon USA: Wyoming Seminoe Mts. near the Dam Ced. L. Porter 4154 1947-5-25
GH: 02044749 Astragalus gracilis Nuttall USA: Colorado Corrizo Canyon region Ced. L. Porter 4292 1947-7-12
GH: 02052090 Astragalus kentrophyta A. Gray USA: Wyoming along the Oregon Trail near Guernsey Ced. L. Porter 4308 1947-7-19
GH: 02052760 Astragalus lotiflorus Hooker USA: Colorado 8 miles south of Kit Carson Ced. L. Porter 4131 1947-5-4
GH: 02052761 Astragalus lotiflorus Hooker USA: Colorado near Lamar Ced. L. Porter 4124 1947-5-4
GH: 02052822 Astragalus lotiflorus Hooker USA: Wyoming Lake Guernsey State Park Ced. L. Porter 4312 1947-7-20
GH: 02049050 Astragalus miser oblongifolius (Rydberg) Cronquist USA: Montana 5 miles west of Missoula Ced. L. Porter 4195 1947-6-8
GH: 02049278 Astragalus mollissimus Torrey USA: Colorado 8 miles south of Kit Carson Ced. L. Porter 4130 1947-5-4
GH: 02049811 Astragalus oreganus Nuttall USA: Wyoming 13 miles south of Dubois Ced. L. Porter 4242 1947-7-3
GH: 02048770 Astragalus spatulatus E. Sheldon USA: Wyoming between Hanna and Walcott Ced. L. Porter 4161 1947-5-25
GH: 01884774 Dalea aurea Nuttall ex Pursh USA: Colorado 16 miles south of LaMar Ced. L. Porter 4299 1947-7-13
GH: 01884773 Dalea aurea Nuttall ex Pursh USA: Colorado West slopes of Sand Canyon, near the Oklahom... Ced. L. Porter 4282 1947-7-11
GH: 01885316 Dalea enneandra Nuttall USA: Colorado Sand Canyon, 25 miles south of Pritchett, ne... Ced. L. Porter 4283 1947-7-11
GH: 02150080 Lathyrus polymorphus incanus (J. G. Smith & Rydberg) C. L. Hitchcock USA: Colorado along the Big Sandy Creek near Hugo Ced. L. Porter 4121 1947-5-4
GH: 02128201 Lupinus pusillus Pursh USA: Wyoming along the Wind River, 13 miles south of Dubo... Ced. L. Porter 4244 1947-7-3
GH: 02132787 Oxytropis lagopus Nuttall USA: Wyoming On the red beds, 13 miles south of Dubois Ced. L. Porter 4240 1947-7-3
GH: 02132785 Oxytropis lagopus Nuttall USA: Wyoming near the dam, Seminoe Mts. Ced. L. Porter 4152 1947-5-25
GH: 02131425 Oxytropis sericea Nuttall USA: Colorado Between Eads and Kit Carson, southern Cheyen... Ced. L. Porter 4126a 1947-5-4
GH: 02131444 Oxytropis sericea Nuttall USA: Montana [data not captured] Ced. L. Porter 4192 1947-6-7
GH: 02131713 Pediomelum argophyllum (Pursh) Rydberg USA: Colorado Corrizo Canyon region Ced. L. Porter 4293 1947-7-12
GH: 02135466 Sophora nuttalliana B. L. Turner USA: Colorado Along Arkansas River near Hasty Ced. L. Porter 4108 1947-5-3
GH: 02342995 Trifolium gymnocarpon Nuttall USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4151 1947-5-25
GH: 02345246 Vicia americana minor Hooker USA: Colorado Between Hugo and Wild Horse, on U.S. 287, we... Ced. L. Porter 4122 1947-5-4
Gentianaceae GH: 02069761 Frasera coloradensis (C. M. Rogers) D. M. Post USA: Colorado 16 miles south of LaMar Ced. L. Porter 4300 1947-7-13
GH: 02167584 Gentianella amarella acuta (Michaux) J. M. Gillett USA: Wyoming along Ten Sleep River near Tyrell Ranger Sta... Ced. L. Porter 4343 1947-8-5
Geraniaceae GH: 01864504 Geranium fremontii Torrey ex A. Gray USA: Wyoming Tyrell Ranger Station, on Ten Sleep River, B... Ced. L. Porter 4376 1947-8-6
Juncaceae GH: 02400689 Juncus mertensianus Bongard USA: Wyoming near Lake Marie, Medicine Bow Mts. Ced. L. Porter 4397 1947-8-19
Krameriaceae GH: 01788447 Krameria lanceolata Torrey USA: Colorado Sand Canyon, 25 miles south of Pritchett, ne... Ced. L. Porter 1947-7-11
Lamiaceae GH: 01599133 Monarda fistulosa menthifolia (Graham) Fernald USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4405 1947-8-24
Lentibulariaceae GH: 01975727 Utricularia vulgaris Linnaeus USA: Wyoming 5 miles north of Wheatland. Ced. L. Porter 4314 1947-7-20
Malvaceae GH: 02199341 Sphaeralcea angustifolia (Cavanilles) G. Don USA: Colorado Corrizo Canyon region Ced. L. Porter 4288 1947-7-12
GH: 02199503 Sphaeralcea coccinea (Nuttall) Rydberg USA: Colorado near La Junta Ced. L. Porter 4115 1947-5-3
Mimosaceae GH: 01786307 Desmanthus cooleyi (Eaton) Trelease USA: Colorado in Sand Canyon, 25 miles south of Pritchett,... Ced. L. Porter 4261 1947-7-11
GH: 01680385 Mimosa sp. USA: Colorado East slope of Sand Canyon, 25 miles south of... Ced. L. Porter 4260 1947-7-11
Nyctaginaceae GH: 01846184 Mirabilis linearis (Pursh) Heimerl USA: Colorado Sand Canyon, 25 miles south of Pritchett, ne... Ced. L. Porter 1947-7-11
GH: 01846490 Mirabilis nyctaginea (Michaux) MacMillan USA: Wyoming on Highway 26, 23 miles northeast of Laramie Ced. L. Porter 1947-8-4
Onagraceae GH: 01625964 Camissonia scapoidea (Torrey & A. Gray) P. H. Raven USA: Wyoming in the Platte Canyon 5 miles north of Sincla... Ced. L. Porter 4142 1947-5-25
GH: 01671056 Epilobium ciliatum Rafinesque USA: Wyoming on Laramie River near the Bluegrass Tunnel, ... Ced. L. Porter 4421 1947-9-9
GH: 01642178 Oenothera villosa strigosa (Rydberg) W. Dietr. & P.H. Raven USA: Wyoming Pole Mt. region Ced. L. Porter 4329 1947-7-28
Orchidaceae AMES: 02063851 Platanthera dilatata leucostachys (Lindley) Luer USA: Washington Lake Capousen, 15 miles south of Puyallup Ced. L. Porter 4221 1947-6-15
Orobanchaceae GH: 01876252 Castilleja chromosa A. Nelson USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4150 1947-5-25
GH: 01877673 Castilleja linariaefolia Bentham USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4398 1947-8-24
GH: 01877672 Castilleja linariaefolia Bentham USA: Wyoming 15 miles west of Laramie Ced. L. Porter 4339 1947-7-31
GH: 01878979 Castilleja rhexifolia Rydberg USA: Wyoming along Ten Sleep River, near Tyrell Ranger St... Ced. L. Porter 4359 1947-8-5
GH: 01879199 Castilleja sessiliflora Pursh USA: Colorado along the Arkansas River near Hasty Ced. L. Porter 4110 1947-5-3
GH: 02082379 Orobanche fasciculata Nuttall USA: Wyoming along the Wind River, 13 miles south of Dubo... Ced. L. Porter 4243 1947-7-3
GH: 02080512 Pedicularis crenulata Bentham USA: Wyoming Pole Mt. region Ced. L. Porter 4331 1947-7-28
GH: 02080908 Pedicularis groenlandica Retzius USA: Wyoming Near Welch's resort, Big Horn Mts. Ced. L. Porter 4367 1947-8-5
Plantaginaceae GH: 02002039 Penstemon ambiguus Torrey USA: Colorado 10 miles south of Kit Carson, southern Cheye... Ced. L. Porter 4268 1947-7-10
GH: 02002176 Penstemon angustifolius caudatus (A. Heller) D. D. Keck USA: Colorado Along the Arkansas River Valley; near Hasty Ced. L. Porter 4017 1947-5-3
GH: 02119381 Penstemon eriantherus Pursh USA: Wyoming hills along the Platte River at Ft. Steele Ced. L. Porter 4174 1947-5-26
GH: 02122059 Penstemon radicosus A. Nelson USA: Wyoming near Seminoe Dam Ced. L. Porter 4168 1947-5-26
GH: 02122334 Penstemon rydbergii A. Nelson USA: Wyoming Along Ten Sleep River near Tyrell Ranger Sta... Ced. L. Porter 4344 1947-8-5
Poaceae GH: 01812927 Andropogon hallii Hackel USA: Wyoming about 7 miles north of Wheatland Ced. L. Porter 4341 1947-8-4
GH: 01813598 Bothriochloa laguroides torreyana (Steudel) Allred & Gould USA: Colorado Sand Canyon, 25 miles south of Pritchett nea... Ced. L. Porter 4277 1947-7-11
Polemoniaceae GH: 01000392 Aliciella leptomeria (A. Gray) J. M. Porter USA: Wyoming along the Platte River 5 miles northeast of ... Ced. L. Porter 4143 1947-5-25
GH: 01000816 Gilia transmontana (H. Mason & A. D. Grant) A. D. Grant & V. E. Grant USA: Wyoming 15 miles east of Lander Ced. L. Porter 4246 1947-7-3
GH: 01000987 Giliastrum acerosum (A. Gray) Rydberg USA: Colorado along the Arkansas River near Hasty Ced. L. Porter 4113 1947-5-3
GH: 01104386 Ipomopsis spicata (Nuttall) V. E. Grant USA: Wyoming Seminoe Mts. near the dam Ced. L. Porter 4155 1947-5-25
GH: 01574716 Phlox multiflora A. Nelson USA: Wyoming Seminoe Mts. near the Dam Ced. L. Porter 4146 1947-5-25
Polygalaceae GH: 01971727 Polygala alba Nuttall USA: Colorado 16 miles south of LaMar Ced. L. Porter 4298 1947-7-13
Polygonaceae GH: 01618748 Eriogonum cernuum Nuttall USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4408 1947-8-24
GH: 01986798 Eriogonum pauciflorum gnaphalodes (Bentham) Reveal USA: Wyoming Lake Guernsey State Park Ced. L. Porter 4317 1947-7-20
GH: 02043747 Eriogonum umbellatum majus Bentham USA: Wyoming along Ten Sleep River near Tyrell Ranger Sta... Ced. L. Porter 4366 1947-8-5
GH: 02362314 Persicaria maculosa Gray USA: Wyoming Laramie River near the Bluegrass tunnel Ced. L. Porter 4420 1947-9-9
GH: 02004027 Rumex paucifolius Nuttall USA: Wyoming Near Welch's resort on the Ten Sleep River, ... Ced. L. Porter 4370 1947-8-5
Ranunculaceae GH: 01659607 Delphinium nuttallianum Pritzel ex Walpers USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4148 1947-5-25
Rosaceae GH: 01729654 Amelanchier utahensis Koehne USA: Wyoming near Seminoe Dam Ced. L. Porter 4176 1947-5-26
GH: 01647534 Crataegus rivularis Nuttall ex Torrey & A. Gray USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4402 1947-8-24
GH: 01568188 Potentilla gracilis fastigiata (Nuttall) S. Watson USA: Wyoming Pole Mt. region Ced. L. Porter 4330a 1947-7-28
GH: 01570067 Potentilla pulcherrima Lehmann USA: Wyoming Pole Mt. region Ced. L. Porter 4330b 1947-7-28
GH: 01705897 Prunus americana Marshall USA: Wyoming Palmer Canyon, 15 miles west of Wheatland Ced. L. Porter 4416 1947-9-10
Rubiaceae GH: 02359478 Galium boreale Linnaeus USA: Wyoming along Ten Sleep River near the Tyrell Ranger... Ced. L. Porter 4374 1947-8-5
Santalaceae GH: 01932989 Comandra umbellata pallida (A. de Candolle) Piehl USA: Colorado between Eads and Kit Carson, southern Cheyen... Ced. L. Porter 4125 1947-5-4
Saxifragaceae GH: 01633423 Ribes aureum Pursh USA: Colorado Along Arkansas River near Hasty Ced. L. Porter 4106 1947-5-3
GH: 01633612 Ribes aureum Pursh USA: Wyoming Platte Canyon 5 miles north of Sinclair Ced. L. Porter 4182 1947-5-26
GH: 01651003 Ribes cereum Douglas USA: Wyoming Seminoe Mts., near the dam Ced. L. Porter 4175 1947-5-26
Scrophulariaceae GH: 01841980 Erythranthe guttata (de Candolle) G. L. Nesom USA: Wyoming Head of Ten Sleep Canyon, Big Horn Mts. Ced. L. Porter 4378 1947-8-6
GH: 01842106 Erythranthe lewisii (Pursh) G. L. Nesom & N. S. Fraga USA: Wyoming Middle Fork of Little Laramie River, in the ... Ced. L. Porter 4319 1947-7-23
Sparganiaceae GH: 00947476 Sparganium angustifolium Michaux USA: Wyoming Pole Mt. region Ced. L. Porter 4423 1947-9-14
Urticaceae GH: 02171443 Urtica dioica gracilis (Aiton) Selander USA: Wyoming Pole Mt. region Ced. L. Porter 4325 1947-7-25
Vitaceae GH: 01580702 Vitis vulpina Linnaeus USA: Wyoming Palmer Canyon, 15 miles west of Wheatland Ced. L. Porter 4413 1947-9-10