Displaying 1 - 75 out of 2994 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode Notice
Abronia fragrans Nutt. ex Hook. R. C. Rollins 1402 16 Jul 1936 United States of America Colorado Chaffee Co. 4 miles north… — Abronia fragrans Nutt. ex Hook.
Acalypha dioica S.Watson R. C. Rollins 5865 16 Nov 1958 Mexico Nuevo León Chipinque Mesa, southwest of Monterrey — Acalypha dioica S.Watson
Acalypha hederacea Torr. R. C. Rollins 5838 15 Nov 1958 Mexico Nuevo León 3 miles south of Cadereyta… — Acalypha hederacea Torr.
Acer glabrum Torr. R. C. Rollins 709 06 Aug 1934 United States of America Wyoming Johnson Co. — Acer glabrum Torr.
Acer glabrum Torr. R. C. Rollins 947 03 Jul 1935 United States of America Wyoming Along Nash's Fork at Nelson's… — Acer glabrum Torr.
Achnatherum hymenoides (Roem. & Schult.) Barkworth R. C. Rollins 1750 16 Jun 1937 United States of America Utah Uintah Co. 14 miles west… — Achnatherum hymenoides (Roem. & Schult.) Barkworth
Achnatherum hymenoides (Roem. & Schult.) Barkworth R. C. Rollins 1749 16 Jun 1937 United States of America Utah Uintah Co. 14 miles west… — Achnatherum hymenoides (Roem. & Schult.) Barkworth
Achnatherum lemmonii (Vasey) Barkworth R. C. Rollins 1461 29 Jul 1936 United States of America Colorado Gunnison Co. Near Meyers Gulch… — Achnatherum lemmonii (Vasey) Barkworth
Achnatherum lemmonii (Vasey) Barkworth R. C. Rollins 1596 04 Sep 1936 United States of America Colorado Gunnison Co. 1 mile north… — Achnatherum lemmonii (Vasey) Barkworth
Achnatherum lemmonii (Vasey) Barkworth R. C. Rollins 1391 15 Jul 1936 United States of America Colorado Lake Co. Near the Arkansas… — Achnatherum lemmonii (Vasey) Barkworth
Aconitum columbianum Nutt. var. columbianum R. C. Rollins 51134 15 Jul 1951 United States of America Colorado Hinsdale Co. near Nellie Creek,… — Aconitum columbianum Nutt. var. columbianum
Agastache pallidiflora subsp. pallidiflora var. greenei R. C. Rollins 1521 13 Aug 1936 United States of America Colorado San Juan Co. Rocky cliffs… — Agastache pallidiflora subsp. pallidiflora var. greenei
Agastache urticifolia (Benth.) Kuntze var. urticifolia R. C. Rollins 1458 27 Jul 1936 United States of America Colorado Gunnison Co. near main hiway,… — Agastache urticifolia (Benth.) Kuntze var. urticifolia
Ageratina hernandezii B.L.Turner R. C. Rollins 5856 16 Nov 1958 Mexico Nuevo León San Pedro Garza García Mun.… — Ageratina hernandezii B.L.Turner
Ageratina rollinsii B.L.Turner R. C. Rollins 5875 16 Nov 1958 Mexico Nuevo León Chipinque Mesa, southwest of Monterrey isotype Ageratina rollinsii B.L.Turner
Agoseris glauca var. dasycephala (Torr. & A.Gray) Jeps. R. C. Rollins 57171 10 Jul 1957 United States of America Wyoming Sheridan Co. Rocky Mountain Region;… — Agoseris glauca var. dasycephala (Torr. & A.Gray) Jeps.
Agrostis perennans (Walter) Tuck. R. C. Rollins 1575 27 Aug 1936 United States of America Colorado Ouray Co. 1 mile south… — Agrostis perennans (Walter) Tuck.
Aliciella haydenii (A.Gray) J.M.Porter R. C. Rollins 7131 22 Apr 1971 United States of America New Mexico San Juan Co. San Juan… — Aliciella haydenii (A.Gray) J.M.Porter
Aliciella pentstemonoides (M.E.Jones) J.M.Porter R. C. Rollins 51167 18 Jul 1951 United States of America Colorado Gunnison Co. crevices of basaltic… — Aliciella pentstemonoides (M.E.Jones) J.M.Porter
Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter R. C. Rollins 1335 08 Jul 1936 United States of America Colorado Saguache Co. Near the Flying… — Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter
Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter R. C. Rollins 1306 01 Jul 1936 United States of America Colorado Saguache Co. Rocky ground on… — Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter
Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter R. C. Rollins 1192 21 Jun 1936 United States of America Colorado Arapahoe Co. near Larkspur — Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter
Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter R. C. Rollins 1233 24 Jun 1936 United States of America Colorado Fremont Co. Dry hillside north… — Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter
Allium acuminatum Hook. R. C. Rollins 57293 07 Aug 1957 United States of America Colorado Eagle Co. Cottonwood Pass, 13… — Allium acuminatum Hook.
Allium brevistylum S.Watson R. C. Rollins 920 30 Jun 1935 United States of America Wyoming Albany Co. along the Little… — Allium brevistylum S.Watson
Allium brevistylum S.Watson R. C. Rollins 546 17 Jun 1934 United States of America Wyoming Sheridan Co. Near Piney Creek,… — Allium brevistylum S.Watson
Allium canadense var. fraseri Ownbey R. C. Rollins 5388 11 Apr 1953 United States of America Texas Comal Co. 8 miles west… — Allium canadense var. fraseri Ownbey
Allium canadense var. mobilense (Regel) Ownbey R. C. Rollins 5338 04 Apr 1953 United States of America Texas San Augustine Co. 1 mile… — Allium canadense var. mobilense (Regel) Ownbey
Allium cernuum Roth R. C. Rollins 2012 07 Sep 1937 United States of America Colorado Gunnison Co. eight miles south… — Allium cernuum Roth
Allium drummondii Regel R. C. Rollins 5350 07 Apr 1953 United States of America Texas Bell Co. 19 miles north… — Allium drummondii Regel
Allium drummondii Regel R. C. Rollins 5351 07 Apr 1953 United States of America Texas Bastrop Co. 8 miles west… — Allium drummondii Regel
Allium geyeri S.Watson R. C. Rollins 5192 12 Jul 1951 United States of America Colorado Gunnison Co. Ten miles SW… — Allium geyeri S.Watson
Allium geyeri S.Watson R. C. Rollins 982 11 Jul 1935 United States of America Wyoming Albany Co. Near Crow Creek,… — Allium geyeri S.Watson
Allium geyeri S.Watson R. C. Rollins 957 03 Jul 1935 United States of America Wyoming Albany Co. near the Four… — Allium geyeri S.Watson
Allium geyeri S.Watson R. C. Rollins 51131 15 Jul 1951 United States of America Colorado Hinsdale Co. near Nellie Creek,… — Allium geyeri S.Watson
Allium madidum S.Watson R. C. Rollins 1142 09 Jun 1936 United States of America Idaho Adams Co. Moist meadow 5… — Allium madidum S.Watson
Allium textile A.Nelson & J.F.Macbr. R. C. Rollins 954 03 Jul 1935 United States of America Wyoming Albany Co. Near the Four… — Allium textile A.Nelson & J.F.Macbr.
Allium textile A.Nelson & J.F.Macbr. R. C. Rollins 429 15 May 1934 United States of America Wyoming Sheridan Co. Near the Tongue… — Allium textile A.Nelson & J.F.Macbr.
Alnus incana subsp. tenuifolia (Nutt.) Breitung R. C. Rollins 1992 02 Sep 1937 United States of America Colorado Montrose Co. Creek bank 2… — Alnus incana subsp. tenuifolia (Nutt.) Breitung
Alopecurus magellanicus Lam. R. C. Rollins 1390 15 Jul 1936 United States of America Colorado Lake Co. Along the Arkansas… — Alopecurus magellanicus Lam.
Alophia drummondii (Graham) R.C.Foster R. C. Rollins 5353 08 Apr 1953 United States of America Texas Fort Bend Co. 3 miles… — Alophia drummondii (Graham) R.C.Foster
Alsia californica (Hook. & Arn.) Sull. R. C. Rollins 2847 19 Nov 1941 United States of America California San Mateo Co. —
Alyssum alyssoides (L.) L. R. C. Rollins 81316 14 Jun 1981 United States of America Idaho Caribou Co. 5 miles north… — Alyssum alyssoides (L.) L.
Alyssum alyssoides (L.) L. R. C. Rollins 81264 09 Jun 1981 United States of America Utah Box Elder Co. 4 miles… — Alyssum alyssoides (L.) L.
Alyssum alyssoides (L.) L. R. C. Rollins 81397 23 Jun 1981 United States of America Wyoming Washakie Co. 11 mi. SE… — Alyssum alyssoides (L.) L.
Alyssum alyssoides (L.) L. R. C. Rollins 81213 04 Jun 1981 United States of America Oregon Jackson Co. Off road up… — Alyssum alyssoides (L.) L.
Alyssum alyssoides (L.) L. R. C. Rollins 83311 18 Jul 1983 United States of America Montana Granite Co. Near U.S. Hwy.… — Alyssum alyssoides (L.) L.
Alyssum alyssoides (L.) L. R. C. Rollins 57177 11 Jul 1957 United States of America Wyoming Sheridan Co. On the Red… — Alyssum alyssoides (L.) L.
Alyssum alyssoides (L.) L. R. C. Rollins 9049 18 Apr 1990 United States of America Colorado Boulder Co. Along 75th Street,… — Alyssum alyssoides (L.) L.
Alyssum alyssoides (L.) L. R. C. Rollins 83105 21 Jun 1983 United States of America Colorado Rio Blanco Co. Off County… — Alyssum alyssoides (L.) L.
Alyssum alyssoides (L.) L. R. C. Rollins 8384 19 Jun 1983 United States of America Colorado Rio Blanco Co. County Routes… — Alyssum alyssoides (L.) L.
Alyssum alyssoides (L.) L. R. C. Rollins 8613 14 Jun 1986 United States of America Wyoming Laramie Co. Happy Jack Road,… — Alyssum alyssoides (L.) L.
Alyssum desertorum Stapf R. C. Rollins 79295 20 Jun 1979 United States of America Idaho Butte Co. 2.7 miles west… — Alyssum desertorum Stapf
Alyssum desertorum Stapf R. C. Rollins 7930 22 May 1979 United States of America Wyoming Carbon Co. Abundant weed on… — Alyssum desertorum Stapf
Alyssum desertorum Stapf R. C. Rollins 7912 20 May 1979 United States of America Wyoming Platte Co. Abundant weed along… — Alyssum desertorum Stapf
Alyssum desertorum Stapf R. C. Rollins 81363 20 Jun 1981 United States of America Wyoming Sweetwater Co. Along highway right-of-way… — Alyssum desertorum Stapf
Alyssum desertorum Stapf R. C. Rollins 81182 31 May 1981 United States of America California Lassen Co. Sagebrush area, 16.1… — Alyssum desertorum Stapf
Alyssum desertorum Stapf R. C. Rollins 8609 14 Jun 1986 United States of America Wyoming Laramie Co. near Happy Jack… — Alyssum desertorum Stapf
Alyssum minus (L.) Rothm. R. C. Rollins 8114 14 May 1981 United States of America Colorado Archuleta Co. Roadside weed; on… — Alyssum minus (L.) Rothm.
Alyssum minus (L.) Rothm. R. C. Rollins 7991 28 May 1979 United States of America Colorado Montrose Co. Black Canyon Road,… — Alyssum minus (L.) Rothm.
Alyssum minus (L.) Rothm. R. C. Rollins 7978 27 May 1979 United States of America Colorado Montrose Co. 4 miles east… — Alyssum minus (L.) Rothm.
Alyssum minus (L.) Rothm. R. C. Rollins 8123 15 May 1981 United States of America Colorado Montezuma Co. 6 miles east… — Alyssum minus (L.) Rothm.
Alyssum minus (L.) Rothm. R. C. Rollins 8637 17 Jun 1986 United States of America Colorado Montrose Co. near U.S. Hwy.… — Alyssum minus (L.) Rothm.
Alyssum minus (L.) Rothm. R. C. Rollins 81200 02 Jun 1981 United States of America California Modoc Co. Along bank of… — Alyssum minus (L.) Rothm.
Alyssum minus (L.) Rothm. R. C. Rollins 81186 01 Jun 1981 United States of America California Modoc Co. Between Alturas and… — Alyssum minus (L.) Rothm.
Amelanchier alnifolia (Nutt.) Nutt. ex M.Roem. R. C. Rollins 550 20 Jun 1934 United States of America Wyoming Sheridan Co. Upper Prairie Dog… — Amelanchier alnifolia (Nutt.) Nutt. ex M.Roem.
Amelanchier alnifolia (Nutt.) Nutt. var. alnifolia R. C. Rollins 889 26 Jun 1935 United States of America Wyoming Albany Co. 1 mile east… — Amelanchier alnifolia (Nutt.) Nutt. var. alnifolia
Amelanchier utahensis Koehne R. C. Rollins 51111 14 Jul 1951 United States of America Colorado Hinsdale Co. above Lake Fork… — Amelanchier utahensis Koehne
Amelanchier utahensis Koehne var. utahensis R. C. Rollins 51168 18 Jul 1951 United States of America Colorado Gunnison Co. In small side… — Amelanchier utahensis Koehne var. utahensis
Amsonia jonesii Woodson R. C. Rollins 1894 06 Aug 1937 United States of America Colorado Mesa Co. 15 mi W… — Amsonia jonesii Woodson
Anaphalis margaritacea (L.) Benth. & Hook.f. R. C. Rollins 1472 02 Aug 1936 United States of America Colorado Conejos Co. Dry bank 2… — Anaphalis margaritacea (L.) Benth. & Hook.f.
Anaphalis margaritacea (L.) Benth. & Hook.f. R. C. Rollins 635 13 Jul 1934 United States of America Wyoming Sheridan Co. Near Piney Creek… — Anaphalis margaritacea (L.) Benth. & Hook.f.
Androsace septentrionalis L. R. C. Rollins 1043 20 Jul 1935 United States of America Wyoming Albany Co. Near the University… — Androsace septentrionalis L.
Androsace septentrionalis L. R. C. Rollins 886 25 Jun 1935 United States of America Wyoming Albany Co. South of the… — Androsace septentrionalis L.
Androsace septentrionalis L. R. C. Rollins 1383 14 Jul 1936 United States of America Colorado Chaffee Co. North Cottonwood Creek,… — Androsace septentrionalis L.