Brassicaceae GH: 00944185 Arabis lemmonii drepanoloba (Greene) Rollins USA: Wyoming Clay Butte, 1/2 mile west of Beartooth Peak R. C. Rollins & Ced. L. Porter 51256
GH: 01153903 Boechera divaricarpa (A. Nelson) A. Löve & D. Löve USA: Utah near Sheep Creek, 12 miles south of Manila R. C. Rollins & Ced. L. Porter 5130 1951-6-27
GH: 00932330 Boechera drepanoloba (Greene) Windham & Al-Shehbaz USA: Wyoming Clay Butte, 1/2 mile west of Beartooth Peak R. C. Rollins & Ced. L. Porter 51268 1951-8-1
GH: 00932643 Boechera holboelii pendulocarpa (A. Nelson) N. Snow USA: Wyoming Near Undine Falls of Lava Creek, Yellowstone... R. C. Rollins & Ced. L. Porter 51284A 1951-8-3
GH: 00932644 Boechera holboelii pendulocarpa (A. Nelson) N. Snow USA: Wyoming Near Undine Falls of Lava Creek, Yellowstone... R. C. Rollins & Ced. L. Porter 51284B 1951-8-3
GH: 01155047 Boechera lignifera (A. Nelson) W. A. Weber USA: Utah Sheep Creek Canyon, ca. 14 miles south of Ma... R. C. Rollins & Ced. L. Porter 5128 1951-6-27
GH: 00946562 Boechera microphylla (Nuttall) Dorn USA: Wyoming near Clarks Fork River, 9 miles southeast of... R. C. Rollins & Ced. L. Porter 51266 1951-7-31
GH: 01155162 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Utah ca. 25 miles north of Manila R. C. Rollins & Ced. L. Porter 5125 1951-6-27
GH: 00948231 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Wyoming southeast slope of Cedar Mountain, southwest... R. C. Rollins & Ced. L. Porter 5139 1951-6-28
GH: 00944185 Boechera sp. USA: Wyoming Clay Butte, 1/2 mile west of Beartooth Peak R. C. Rollins & Ced. L. Porter 51256
GH: 00944246 Boechera sp. USA: Utah grade entering Sheep Creek Canyon from south... R. C. Rollins & Ced. L. Porter 5127 1951-6-27
GH: 00944315 Boechera sp. USA: Utah ca. 25 miles north of Manila R. C. Rollins & Ced. L. Porter 5123 1951-6-26
GH: 00948647 Boechera sparsiflora subvillosa (S. Watson) Dorn USA: Wyoming Near Undine Falls of Lava Creek, Yellowstone... R. C. Rollins & Ced. L. Porter 51283 1951-8-3
GH: 00944011 Boechera stricta (Graham) Al-Shehbaz USA: Utah ca. 25 miles north of Vernal R. C. Rollins & Ced. L. Porter 5124 1951-6-26
GH: 01098813 Cardamine breweri leibergii (Holzinger) C. L. Hitchcock USA: Wyoming along Clarks Fork River, 9 miles southeast o... R. C. Rollins & Ced. L. Porter 51262 1951-7-30
GH: 01098815 Cardamine breweri leibergii (Holzinger) C. L. Hitchcock USA: Wyoming near Clarks Fork River, 9 miles southeast of... R. C. Rollins & Ced. L. Porter 51267 1951-7-31
GH: 01155318 Caulanthus crassicaulis S. Watson USA: Utah 18 miles east of Vernal R. C. Rollins & Ced. L. Porter 5121 1951-6-26
GH: 00986125 Crucihimalaya virgata (Nuttall) D. A. German & A. L. Ebel USA: Utah entering Sheep Creek Canyon, ca. 15 miles so... R. C. Rollins & Ced. L. Porter 5126 1951-6-27
GH: 00986472 Descurainia incisa (Engelmann) Britton USA: Wyoming Clay Butte, 1/2 miles west of Beartooth Peak... R. C. Rollins & Ced. L. Porter 51255 1951-7-30
GH: 00986564 Descurainia incisa filipes (A. Gray) Rollins USA: Utah near Sheep Creek, 12 miles south of Manila R. C. Rollins & Ced. L. Porter 5129 1951-6-27
GH: 01084927 Draba albertina Greene USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51259 1951-7-30
GH: 01103486 Draba aurea Vahl USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51260 1951-7-30
GH: 01103839 Draba cana Rydberg USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51258 1951-7-30
GH: 01106044 Draba crassifolia Graham USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51261 1951-7-29
GH: 01106417 Draba globosa Payson USA: Wyoming Clay Butte; one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51272 1951-8-1
GH: 01115231 Draba incerta Payson USA: Wyoming along upper ridge of Clay Butte, one-half mi... R. C. Rollins & Ced. L. Porter 51277 1951-8-2
GH: 01115247 Draba incerta Payson USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51271 1951-8-1
GH: 01115253 Draba incerta Payson USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51276 1951-8-1
GH: 01115691 Draba lonchocarpa Rydberg USA: Wyoming northwestern face of Clay Butte; one-half mi... R. C. Rollins & Ced. L. Porter 51280 1951-8-2
GH: 01115692 Draba lonchocarpa Rydberg USA: Wyoming near summit, Clay Butte, one-half mile west ... R. C. Rollins & Ced. L. Porter 51279 1951-8-2
GH: 00971487 Draba oligosperma Hooker USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51270a 1951-8-1
GH: 00971507 Draba oligosperma Hooker USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51270 1951-8-1
GH: 00971508 Draba oligosperma Hooker USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51273 1951-8-1
GH: 00971563 Draba paysonii J. F. Macbride USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51275 1951-8-2
GH: 01549106 Lepidium montanum Nuttall USA: Wyoming 22 miles south of Green River R. C. Rollins & Ced. L. Porter 5142 1951-6-29
GH: 01550899 Noccaea parviflora (A. Nelson) Holub USA: Wyoming Clay Butte, 1/2 mile west of Beartooth Peak,... R. C. Rollins & Ced. L. Porter 51257 1951-7-30
GH: 01573586 Physaria acutifolia Rydberg USA: Utah mouth of Split Mountain Canyon, Dinosaur Nat... R. C. Rollins & Ced. L. Porter 5118 1951-6-26
GH: 01573587 Physaria acutifolia Rydberg USA: Utah about 25 miles east of Vernal, between Verna... R. C. Rollins & Ced. L. Porter 5122 1951-6-26
GH: 01573588 Physaria acutifolia Rydberg USA: Utah 18 miles east of Vernal R. C. Rollins & Ced. L. Porter 5120 1951-6-26
GH: 01573634 Physaria acutifolia Rydberg USA: Wyoming Canyon of the North Fork of Sybelle Creek, 1... R. C. Rollins & Ced. L. Porter 5114 1951-6-24
GH: 01573635 Physaria acutifolia Rydberg USA: Wyoming Southeast slope of Cedar Mountain, southwest... R. C. Rollins & Ced. L. Porter 5136 1951-6-28
GH: 01687557 Physaria ludoviciana (Nuttall) O'Kane & Al-Shehbaz USA: Wyoming 22 miles south of Green River R. C. Rollins & Ced. L. Porter 5143 1951-6-29
GH: 01687694 Physaria nelsonii O'Kane & Al-Shehbaz USA: Wyoming ca. 30 miles south of Green River, southwest... R. C. Rollins & Ced. L. Porter 5141 1951-6-29
GH: 01687695 Physaria nelsonii O'Kane & Al-Shehbaz USA: Wyoming 4 miles southeast of McKinnon R. C. Rollins & Ced. L. Porter 5132 1951-6-27
GH: 01687993 Physaria parvula (Greene) O'Kane & Al-Shehbaz USA: Wyoming 1/2 mile south of McKinnon R. C. Rollins & Ced. L. Porter 5133 1951-6-27
GH: 01691000 Physaria parvula (Greene) O'Kane & Al-Shehbaz USA: Wyoming southeast slope of Cedar Mountain R. C. Rollins & Ced. L. Porter 5138 1951-6-28
GH: 01691451 Physaria spatulata (Rydberg) Grady & O'Kane USA: Wyoming near the Wind River, 13 miles south of Duboi... R. C. Rollins & Ced. L. Porter 51238 1951-7-26
GH: 01691490 Physaria subumbellata (Rollins) O'Kane & Al-Shehbaz USA: Utah 18 miles east of Vernal R. C. Rollins & Ced. L. Porter 5119 1951-6-26
GH: 01716174 Sisymbrium linifolium (Nuttall) Nuttall ex Torrey & A. Gray USA: Wyoming near Wyo. Highway 34, 22 miles north of Lara... R. C. Rollins & Ced. L. Porter 5113 1951-6-24
GH: 01716493 Smelowskia americana Rydberg USA: Wyoming Clay Butte, one-half mile west of Beartooth ... R. C. Rollins & Ced. L. Porter 51274 1951-8-1
GH: 01716755 Stanleya pinnata (Pursh) Britton USA: Utah Sheep Creek Canyon, eastern Uinta Mountains R. C. Rollins & Ced. L. Porter 5131 1951-6-27
GH: 01716829 Stanleya pinnata integrifolia (E. James) Rollins USA: Utah mouth of Split Mountain Canyon, Dinosaur Nat... R. C. Rollins & Ced. L. Porter 5117 1951-6-26
GH: 01716917 Stanleya viridiflora Nuttall USA: Wyoming 20 miles north of Rock Springs R. C. Rollins & Ced. L. Porter 51285 1951-8-3
GH: 01716918 Stanleya viridiflora Nuttall USA: Wyoming near the Wind River, 13 miles south of Duboi... R. C. Rollins & Ced. L. Porter 51239 1951-7-26
GH: 01716919 Stanleya viridiflora Nuttall USA: Wyoming Satanka Formation; southern edge of Separati... R. C. Rollins & Ced. L. Porter 51237 1951-7-26
GH: 01736098 Streptanthella longirostris (S. Watson) Rydberg USA: Wyoming 22 miles south of Green River R. C. Rollins & Ced. L. Porter 5144 1951-6-29
GH: 01736309 Streptanthus cordatus Nuttall ex Torrey & A. Gray USA: Wyoming southeast slope of Cedar Mountain, southwest... R. C. Rollins & Ced. L. Porter 5137 1951-6-28
GH: 01736671 Thelypodiopsis elegans (Jones) Rydberg USA: Wyoming 5 miles north of Henrys Fork, extreme southw... R. C. Rollins & Ced. L. Porter 5140 1951-6-29
GH: 01733216 Turritis glabra Linnaeus USA: Wyoming near Clarks Fork River, 9 miles southeast of... R. C. Rollins & Ced. L. Porter 51249 1951-7-29
Onagraceae GH: 01625966 Camissonia scapoidea (Torrey & A. Gray) P. H. Raven USA: Wyoming southern Sweet Water County; along Henry's F... R. C. Rollins & Ced. L. Porter 5666 1951-6-27
