<< < Previous Ranunculaceae GH: 01838974 Thalictrum fendleri Engelmann ex A. Gray USA: Colorado 2 miles north of the Pergatoire River, 26 mi... R. C. Rollins 1808 1937-7-3
GH: 01839658 Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin USA: Alabama one mile east of McKendry R. C. Rollins 6420 1964-4-22
GH: 01840255 Trollius albiflorus (A. Gray) Rydberg USA: Wyoming near the University of Wyoming Summer Camp, ... R. C. Rollins 890 1935-6-26
GH: 01840289 Xanthorhiza simplicissima Marsh. USA: Alabama 9 miles northeast of Hamilton R. C. Rollins 5594 1955-4-16
Rhamnaceae GH: 01789456 Ceanothus fendleri A. Gray USA: Colorado near Cucharas Camp, Cucharas Creek west of L... R. C. Rollins 1936-6-29
GH: 01790516 Colubrina texensis (Torrey & A. Gray) A. Gray USA: Texas along Cibolo Creek, near Selma R. C. Rollins 1953-4-11
Rosaceae GH: 01586422 Acaena trifida Ruiz & Pavon USA: California San Bruno Hills, 1 mile south of Daly City R. C. Rollins 3015 1942-4-30
GH: 01726640 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming upper Prairie Dog Creek R. C. Rollins 550 1934-6-20
GH: 01726647 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Wyoming upper Prairie Dog Creek R. C. Rollins 550 1934-6-20
GH: 01729441 Amelanchier utahensis Koehne USA: Colorado In small side canyon near Lake Fork of the G... R. C. Rollins 51168 1951-7-18
GH: 01729442 Amelanchier utahensis Koehne USA: Colorado above Lake Fork of the Gunnison River, 15 mi... R. C. Rollins 51111 1951-7-14
GH: 01587150 Cercocarpus ledifolius Nuttall USA: Colorado Uncompahgre Plateau, 31 miles southwest of W... R. C. Rollins 1929 1937-8-12
A: 01587250 Cercocarpus ledifolius Nuttall USA: Wyoming western slope of the Big Horn Mountains, Buf... R. C. Rollins 490 1934-6-4
GH: 01587279 Cercocarpus ledifolius intercedens C. K. Schneider USA: Wyoming western slope of the Big Horn Mountains, Buf... R. C. Rollins 490 1934-6-4
GH: 01587297 Cercocarpus ledifolius intricatus (S. Watson) M. E. Jones USA: Colorado Colorado National Monument, 8 miles west of ... R. C. Rollins 2165 1938-5-26
GH: 01587474 Cercocarpus montanus Rafinesque USA: Wyoming 6 miles north of Fort Bridger R. C. Rollins 2313 1938-6-13
GH: 01588625 Chamaerhodos nuttallii Pickering USA: Colorado near Flying M Ranch, Saguache-Gunnison R. C. Rollins 1332 1936-7-8
GH: 01647527 Crataegus rivularis Nuttall ex Torrey & A. Gray USA: Wyoming along the North Fork of the Popo Agie River ... R. C. Rollins 764 1934-8-17
GH: 01647598 Crataegus rivularis Nuttall ex Torrey & A. Gray USA: Colorado 31 miles SE of Gunnison R. C. Rollins 5185 1951-7-12
GH: 01647668 Crataegus saligna Greene USA: Colorado Along Antelope Creek, 5 miles northwest of G... R. C. Rollins 2013 1937-9-8
GH: 01865657 Crataegus sp. USA: Colorado along a creek 8 miles south of Iola R. C. Rollins 2009 1937-9-7
GH: 01609750 Geum macrophyllum Willdenow USA: Colorado near Nellie Creek, 5 miles N of junction wit... R. C. Rollins 51133 1951-7-15
GH: 00994540 Holodiscus discolor (Pursh) Maximowicz USA: Colorado Oak Creek Canyon, T 20 S, R 70 W R. C. Rollins 1226 1936-6-24
GH: 00994542 Holodiscus discolor (Pursh) Maximowicz USA: Colorado north slope of Raton Mesa, San Francisco Can... R. C. Rollins 1841 1937-7-11
GH: 00994758 Holodiscus discolor dumosus (Nuttall ex Hooker) Dippel USA: Colorado Near Lake Fork of the Gunnison River, 6 mile... R. C. Rollins 51102 1951-7-13
GH: 01590009 Holodiscus microphyllus Rydberg USA: Idaho East of Twin Falls R. C. Rollins 1163 1936-6-10
GH: 01590062 Holodiscus microphyllus glabrescens (Greenman) Ley USA: Utah Red Canyon, 6 mi. toward Bryce Canyon from j... R. C. Rollins 51197 1951-7-20
GH: 01566024 Ivesia gordonii (Hooker) Torrey & A. Gray USA: Wyoming table land 10 miles south of Mountain View R. C. Rollins 2369 1938-6-17
GH: 01566132 Ivesia sabulosa (M. E. Jones) D. D. Keck USA: Utah Red Canyon, 6 miles towards Bryce Canyon fro... R. C. Rollins 51196 1951-7-20
GH: 00346959 Nuttallia USA: California about 10 miles northwest of Palo Alto R. C. Rollins 2938 1941-2-22
GH: 00346959 Osmaronia cerasiformis (Torrey & A. Gray ex Hooker & Arnott) Greene USA: California about 10 miles northwest of Palo Alto R. C. Rollins 2938 1941-2-22
GH: 00249403 Peraphyllum ramosissimum Nuttall USA: Colorado Near Plateau Creek, 8 miles northeast of Col... R. C. Rollins 1918 1937-8-11
GH: 01590517 Physocarpus monogynus (Torrey) J. M. Coulter USA: Colorado near San Isabel City R. C. Rollins 1223 1936-6-23
GH: 01590525 Physocarpus monogynus (Torrey) J. M. Coulter USA: Colorado near the top of the north slope of Raton Mes... R. C. Rollins 1856 1937-7-11
GH: 01567778 Potentilla glaucophylla Lehmann USA: Wyoming Big Horn Mountains, 19 miles west of Dayton R. C. Rollins 476 1934-5-25
GH: 01567783 Potentilla glaucophylla Lehmann USA: Wyoming Bare knoll 1/2 mile south of the University ... R. C. Rollins 883 1935-6-25
GH: 01567956 Potentilla gracilis Douglas ex Hooker USA: Wyoming near Vedawoo Glenn, Laramie Hills R. C. Rollins 995 1935-7-11
GH: 01569063 Potentilla nivea pentaphylla Turczaninow USA: Colorado Southeast slope of Engineer Mountain, San Ju... R. C. Rollins 51143 1951-7-16
GH: 01556270 Potentilla sp. USA: New Mexico Sandia Crest, Cibola National Forest, east n... R. C. Rollins 67120 1967-5-12
GH: 01570666 Potentilla subviscosa Greene USA: Colorado southeastern slope of Engineer Mountain, bet... R. C. Rollins 51156 1951-7-16
GH: 00346331 Prunus andersonii A. Gray USA: California about 8 miles east of Sonora Pass R. C. Rollins 2988 1941-7-27
GH: 00346425 Prunus emarginata (Douglas ex Hooker) Eaton USA: California near Deadman Creek, west of Sonora Pass, abo... R. C. Rollins 2975 1941-7-26
GH: 01556682 Purshia tridentata (Pursh) de Candolle USA: Wyoming 3 miles west of Fort Bridger R. C. Rollins 2232 1938-5-31
GH: 01556686 Purshia tridentata (Pursh) de Candolle USA: Wyoming 1 mile north of Centennial R. C. Rollins 932 1935-7-3
GH: 01601474 Rosa woodsii Lindley USA: Wyoming upper Big Goose River, eastern Foothills of ... R. C. Rollins 435 1934-5-18
GH: 01602964 Rubus arcticus acaulis (Michaux) Focke USA: Colorado at the Denver Camp, south side of Willow Cre... R. C. Rollins 1024 1935-7-18
GH: 01604278 Rubus deliciosus Torrey USA: Colorado T 22 S, R. 70 W. R. C. Rollins 1236 1936-6-24
NEBC: 00632047 Rubus sp. Linnaeus USA: New Hampshire Rye: Rye R. C. Rollins 5309 1952-6-14
Rubiaceae GH: 02359237 Galium boreale Linnaeus USA: Colorado near Tomichi Creek, 1/2 mile SW of Sargents R. C. Rollins 5184 1951-7-12
GH: 02359721 Galium coloradoense W. Wight USA: Utah 2 miles east of Carbondale R. C. Rollins 57305 1957-8-8
GH: 02138554 Galium nuttallii A. Gray USA: California [data not captured] R. C. Rollins 3004 1942-4-30
GH: 02140679 Galium virgatum Nuttall USA: Texas bed of Cibolo Creek, one mile below Selma R. C. Rollins 5385 1953-4-12
Rutaceae GH: 01545905 Ptelea trifoliata Linnaeus USA: Colorado north slope of Mesa de Maya, 60 miles east o... R. C. Rollins 1836 1937-7-10
GH: 01584242 Ptelea trifoliata Linnaeus USA: Texas along Cibolo Creek, near Selma R. C. Rollins 5372 1953-4-11
GH: 01584590 Thamnosma texanum (A. Gray) Torrey USA: Texas Cibolo Creek, near Selma R. C. Rollins 5370 1953-4-11
Santalaceae GH: 01932997 Comandra umbellata pallida (A. de Candolle) Piehl USA: Wyoming Near Blacks Fork River, 3 miles north of Lym... R. C. Rollins 1644 1937-6-10
GH: 01932993 Comandra umbellata pallida (A. de Candolle) Piehl USA: Wyoming near the Tongue River, northeast of Sheridan R. C. Rollins 431 1934-5-15
Saxifragaceae GH: 01735584 Heuchera parvifolia Nuttall ex Torrey & A. Gray USA: Colorado 2 miles west of Red Mountain Pass, Silverton... R. C. Rollins 1516 1936-8-12
GH: 01735599 Heuchera parvifolia Nuttall ex Torrey & A. Gray USA: Utah near Flaming Gorge, 15 miles southeast of Ma... R. C. Rollins 2278 1938-6-3
GH: 01735600 Heuchera parvifolia Nuttall ex Torrey & A. Gray USA: Wyoming near Nash's Fork, above Nelson's Ranch, 1 mi... R. C. Rollins 938 1935-7-3
GH: 01711095 Heuchera sp. USA: Idaho South slope of small peak, approaching Gunsi... R. C. Rollins 57238 1957-7-21
GH: 01735936 Heuchera versicolor Greene USA: Colorado slope of Raton Mesa, head of San Francisco C... R. C. Rollins 1851 1937-7-11
A: 01737476 Jamesia americana Torrey & A. Gray USA: Colorado 3 miles up Rio Alto Creek from the canyon mo... R. C. Rollins 1308 1936-7-2
GH: 01737498 Jamesia americana Torrey & A. Gray USA: Colorado north slopes of Raton Mesa near San Francisc... R. C. Rollins 1855 1937-7-11
GH: 01711956 Micranthes nelsoniana (D. Don) Small USA: Wyoming at the top of the Red Grade west of Big Horn... R. C. Rollins 506 1934-6-9
GH: 01712412 Micranthes rhomboidea (Greene) Small USA: Colorado near Chalk Creek, five miles above St Elmo R. C. Rollins 1375 1936-7-13
GH: 01712467 Micranthes rhomboidea (Greene) Small USA: Wyoming 1 mile east of the University of Wyoming Sum... R. C. Rollins 881 1935-6-23
GH: 01616454 Mitella pentandra Hooker USA: Wyoming near Libby Falls, Libby Creek, Medicine Bow ... R. C. Rollins 898 1935-6-27
GH: 01633944 Ribes cereum Douglas USA: Utah Red Canyon, 6 miles toward Bryce Canyon from... R. C. Rollins 51198 1951-7-20
GH: 01886838 Ribes lacustre parvulum A. Gray USA: Wyoming 1 mile east of the University of Wyoming Sum... R. C. Rollins 887 1935-6-26
GH: 01619034 Saxifraga arguta D. Don USA: Wyoming near the University of Wyoming Summer Camp, ... R. C. Rollins 1065 1935-7-25
GH: 01619648 Saxifraga cespitosa Linnaeus USA: Colorado South slope of Uncompahgre Peak, San Juan Mt... R. C. Rollins 51124 1951-7-15
GH: 01619657 Saxifraga cespitosa Linnaeus USA: Colorado Northwestern slope of Engineer Mountain, bet... R. C. Rollins 51160 1951-7-16
GH: 01621078 Saxifraga debilis Engelmann ex A. Gray USA: Colorado Uncompahgre Peak, southeast slope. R. C. Rollins 51123 1951-7-15
Sclerotiniaceae FH: 00432211 Chlorociboria aeruginascens (Nylander) Kanouse ex C. S. Ramamurthi, Korf & L. R. Batra USA: Idaho [data not captured] R. C. Rollins 807 1934
Scrophulariaceae GH: 01841325 Erythranthe floribunda (Douglas ex Lindley) G. L. Nesom USA: Colorado 1 mile S of Sapinero Junction toward Lake Ci... R. C. Rollins 51171 1951-7-18
GH: 01841763 Erythranthe guttata (de Candolle) G. L. Nesom USA: Colorado 2 miles NE of Engineer Mountain R. C. Rollins 51139 1951-7-16
GH: 01841890 Erythranthe guttata (de Candolle) G. L. Nesom USA: Utah 18 miles north of Vernal, Uinta Basin R. C. Rollins 1762 1937-6-17
Selaginellaceae GH: 02074278 Selaginella watsonii Underwood USA: Utah mountain east of Mt. Belknap, 12 miles west ... R. C. Rollins 51227 1951-7-21
Solanaceae GH: 01563557 Petunia parviflora Jussieu USA: Texas Gravel bed of Cibolo Creek, one mile below S... R. C. Rollins 5386 1953-4-12
GH: 01541155 Physalis hederifolia cordifolia (A. Gray) Waterfall USA: Colorado near West Creek, Unaweep Canyon, 15 miles ea... R. C. Rollins 1915 1937-8-9
GH: 01542049 Quincula lobata (Torrey) Rafinesque USA: Colorado 11 miles south of Pueblo R. C. Rollins 2060 1938-5-19
GH: 00244998 Solanum umbelliferum Eschscholtz USA: California SE slope of the San Bruno hills, about 1 mil... R. C. Rollins 3001 1942-4-30
GH: 00267013 Solanum umbelliferum Eschscholtz USA: California East slope of Kings Mt., about 6 miles west ... R. C. Rollins 2944 1941-3-16
Tamaricaceae GH: 01942265 Tamarix gallica Linnaeus USA: Colorado along the Arkansas River, near Las Animas R. C. Rollins 1878 1937-7-28
Verbenaceae GH: 01800775 Glandularia canadensis (Linnaeus) Nuttall USA: Alabama 2 miles northeast of McKendry R. C. Rollins 6425 1964-4-22
Violaceae GH: 02145071 Viola bellidifolia Greene USA: Wyoming near the University of Wyoming Summer Camp, ... R. C. Rollins 971 1935-7-7
GH: 02145895 Viola canadensis Linnaeus USA: Wyoming near the top of the Red Grade, west of Big H... R. C. Rollins 500 1934-6-9
GH: 02147909 Viola nuttallii Pursh USA: Utah Wasatch Plateau, near Skyline Road, 18 miles... R. C. Rollins 51188 1951-7-10
GH: 02147875 Viola nuttallii Pursh USA: Colorado 11 miles south of Pueblo R. C. Rollins 2061 1938-5-19
GH: 02208228 Viola palustris brevipes M. S. Baker USA: Wyoming Big Horn Mountains, 19 miles west of Dayton R. C. Rollins 455 1934-5-25
GH: 02208231 Viola pedata Linnaeus USA: Alabama 6 miles northeast of Hamilton R. C. Rollins 5588 1955-4-16
GH: 02208407 Viola pedata Linnaeus USA: Oklahoma 3.7 miles north of Broken Bow R. C. Rollins [data not captured] 5764 1957-4-13
GH: 02208776 Viola praemorsa linguifolia (Nuttall) M. S. Baker USA: Wyoming about the University of Wyoming Summer Camp,... R. C. Rollins 892 1935-6-26
GH: 02208814 Viola primulifolia Linnaeus USA: Alabama 9 miles NE of Hamilton R. C. Rollins 5596 1955-4-16
GH: 02211554 Viola sororia missouriensis (Greene) L. E. McKinney USA: Wyoming above the University of Wyoming Summer Camp,... R. C. Rollins 972 1935-7-7
