Displaying 1 - 75 out of 644 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Acer glabrum Torr. | D. H. Wilken 14443 | 30 May 1985 | United States of America | Colorado | Larimer Co. Near head of… | — | 2483943 |
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| Aconitum columbianum Nutt. var. columbianum | D. H. Wilken 14225 | 26 Jul 1984 | United States of America | Colorado | Gunnison Co. S-facing slope. Poverty… | — | 2727069 |
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| Aconitum columbianum Nutt. var. columbianum | D. H. Wilken 14806 | 29 Jul 1987 | United States of America | Colorado | Routt Co. Near head of… | — | 2727068 |
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| Aconitum columbianum Nutt. var. columbianum | D. H. Wilken 12786 | 26 Aug 1976 | United States of America | Colorado | Jackson Co. Along Lone Pine… | — | 2727109 |
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| Actaea rubra (Aiton) Willd. | D. H. Wilken 14474 | 12 Jun 1985 | United States of America | Colorado | Larimer Co. Canyon on S… | — | 2728173 |
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| Adoxa moschatellina L. | D. H. Wilken 14459 | 06 Jun 1985 | United States of America | Colorado | Larimer Co. Buckhorn Creek, 8… | — | 3871121 |
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| Aegilops cylindrica Host | D. H. Wilken 14959 | 29 May 1989 | United States of America | Colorado | Larimer Co. N side of… | — | 1554209 |
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| Agrimonia striata Michx. | D. H. Wilken 14523 | 19 Jul 1985 | United States of America | Colorado | Larimer Co. Buckhorn Canyon, 8… | — | 2719155 |
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| Aletes sessiliflorus W.L.Theob. & C.C.Tseng | D. H. Wilken 14755 | 29 May 1987 | United States of America | New Mexico | Rio Arriba Co. Upper Munoz… | — | 3365504 |
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| Aliciella formosa (Greene ex Brand) J.M.Porter | D. H. Wilken 14424 | 22 May 1985 | United States of America | New Mexico | San Juan Co. Along Road… | — | 3373292 |
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| Aliciella leptomeria (A.Gray) J.M.Porter | D. H. Wilken 13266 | 22 May 1978 | United States of America | Colorado | Moffat Co. Base of Indian… | — | 3373417 |
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| Aliciella pinnatifida (Nutt. ex A.Gray) J.M.Porter | D. H. Wilken 14043 | 01 Jul 1984 | United States of America | Colorado | Saguache Co. Along US Highway… | — | 3261958 |
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| Allium brandegeei S.Watson | D. H. Wilken 13277 | 22 May 1978 | United States of America | Colorado | Moffat Co. Ca. 1 mile… | — | 3761699 |
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| Allium brandegeei S.Watson | D. H. Wilken s.n. | 26 Jun 1984 | United States of America | Colorado | Gunnison Co. Slate River, 1… | — | 3761785 |
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| Alyssum desertorum Stapf | D. H. Wilken 14576 | 25 Apr 1986 | United States of America | Colorado | Larimer Co. Poudre Canyon, along… | — | 3152730 |
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| Alyssum minus (L.) Rothm. | D. H. Wilken 14434 | 23 May 1985 | United States of America | Colorado | Archuleta Co. Echo Lake Wildlife… | — | 3152782 |
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| Ambrosia psilostachya DC. | D. H. Wilken 14295 | 17 Sep 1984 | United States of America | Colorado | Boulder Co. SE-facing slope. Along… | — | 1884065 |
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| Amelanchier alnifolia (Nutt.) Nutt. var. alnifolia | D. H. Wilken 14067 | 04 Jul 1984 | United States of America | Colorado | Gunnison Co. Along Forest Service… | — | 2719677 |
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| Amelanchier alnifolia (Nutt.) Nutt. var. alnifolia | D. H. Wilken 14530 | 22 Jul 1985 | United States of America | Colorado | Larimer Co. Near head of… | — | 2719679 |
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| Amelanchier alnifolia (Nutt.) Nutt. var. alnifolia | D. H. Wilken 14776 | 31 May 1987 | United States of America | Colorado | Archuleta Co. E fork San… | — | 2719683 |
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| Amelanchier utahensis Koehne | D. H. Wilken 12532 | 24 May 1976 | United States of America | Colorado | Mesa Co. Along road 3.8… | — | 2722742 |
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| Androsace septentrionalis L. | D. H. Wilken 14105 | 06 Jul 1984 | United States of America | Colorado | Gunnison Co. On W side… | — | 3592522 |
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| Androsace septentrionalis L. | D. H. Wilken 12558 | 24 May 1976 | United States of America | Colorado | Mesa Co. Along "Js" Road,… | — | 3592542 |
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| Anemone canadensis L. | D. H. Wilken 14521 | 19 Jul 1985 | United States of America | Colorado | Larimer Co. Buckhorn Canyon, 8… | — | 2738730 |
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| Anemone narcissiflora L. | D. H. Wilken 14095 | 06 Jul 1984 | United States of America | Colorado | Gunnison Co. W side of… | — | 2739833 |
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| Antennaria corymbosa E.E.Nelson | D. H. Wilken 14535 | 24 July 1985 | United States of America | Colorado | Larimer Co. Highway 14, along… | — | 1889636 |
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| Antennaria parvifolia Nutt. | D. H. Wilken 14431 | 23 May 1985 | United States of America | Colorado | Archuleta Co. Echo Lake Wildlife… | — | 1878766 |
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| Anticlea elegans (Pursh) Rydb. | D. H. Wilken 14194 | 22 Jul 1984 | United States of America | Colorado | Gunnison Co. Southeast of Emerald… | — | 3688234 |
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| Apocynum androsaemifolium L. | D. H. Wilken 14613 | 19 Jun 1986 | United States of America | Colorado | Larimer Co. Poudre Canyon, 0.8… | — | 4174328 |
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| Aquilegia coerulea var. coerulea | D. H. Wilken 14118 | 08 Jul 1984 | United States of America | Colorado | Gunnison Co. Soil at edge… | — | 2742028 |
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| Aquilegia elegantula Greene | D. H. Wilken 14056 | 03 Jul 1984 | United States of America | Colorado | Gunnison Co. Steep, E-facing slope… | — | 2742096 |
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| Aquilegia elegantula Greene | D. H. Wilken 14042 | 30 Jun 1984 | United States of America | Colorado | Gunnison Co. Along US Highway… | — | 2742104 |
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| Arabis demissa Greene var. demissa | D. H. Wilken 14162 | 15 Jul 1984 | United States of America | Colorado | Gunnison Co. East side of… | — | 3153440 |
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| Arabis drummondii A.Gray | D. H. Wilken 14012 | 17 Jun 1984 | United States of America | Colorado | Gunnison Co. Jacks Cabin Cutoff… | — | 3153992 |
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| Arabis lignifera A.Nelson | D. H. Wilken 12541 | 24 May 1976 | United States of America | Colorado | Mesa Co. Along road 3.8… | — | 3170391 |
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| Arabis selbyi Rydb. | D. H. Wilken 13960 | 02 Jun 1983 | United States of America | Colorado | Mesa Co. Unaweep Canyon, ca… | — | 3171582 |
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| Arctostaphylos patula Greene | D. H. Wilken 13072 | 04 Jun 1977 | United States of America | Colorado | Rio Blanco Co. On W-facing… | — | 2517081 |
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| Argemone polyanthemos (Fedde) G.B.Ownbey | D. H. Wilken 12670 | 15 Jun 1976 | United States of America | Colorado | Morgan Co. Along Road 392,… | — | 3675093 |
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| Arnica cordifolia Hook. | D. H. Wilken 14445 | 30 May 1985 | United States of America | Colorado | Larimer Co. Near head of… | — | 1881043 |
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| Arnica longifolia D.C. Eaton | D. H. Wilken 12777 | 26 Aug 1976 | United States of America | Colorado | Jackson Co. Lake Katherine, 1.5… | — | 1882320 |
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| Artemisia campestris L. | D. H. Wilken 13895 | 29 Sep 1982 | United States of America | Colorado | Logan Co. Along US Highway… | — | 1892848 |
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| Artemisia campestris var. canadensis (Michx.) S.L.Welsh | D. H. Wilken 14135 | 12 Jul 1984 | United States of America | Colorado | Gunnison Co. Ridge east of… | — | 1892931 |
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| Artemisia cana Pursh | D. H. Wilken 13583 | 23 Sep 1979 | United States of America | Colorado | Jackson Co. Coalmont, 5 air… | — | 1893392 |
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| Artemisia dracunculus L. | D. H. Wilken 12795 | 26 Aug 1976 | United States of America | Colorado | Jackson Co. Along Lone Pine… | — | 1893940 |
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| Artemisia frigida Willd. | D. H. Wilken 14556 | 30 Aug 1985 | United States of America | Colorado | Larimer Co. North side of… | — | 1894457 |
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| Artemisia frigida Willd. | D. H. Wilken 14291 | 17 Sep 1984 | United States of America | Colorado | Boulder Co. Along State Highway… | — | 1894522 |
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| Artemisia ludoviciana Nutt. | D. H. Wilken 145555 | 30 Aug 1985 | United States of America | Colorado | Larimer Co. North side of… | — | 1894728 |
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| Artemisia ludoviciana Nutt. | D. H. Wilken 14290 | 17 Sep 1984 | United States of America | Colorado | Boulder Co. Along State Highway… | — | 1894737 |
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| Artemisia ludoviciana Nutt. | D. H. Wilken 14288 | 17 Sep 1984 | United States of America | Colorado | Gilpin Co. Along State Highway… | — | 1894738 |
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| Artemisia ludoviciana Nutt. | D. H. Wilken 14276 | 17 Sep 1984 | United States of America | Colorado | Clear Creek Co. Along Clear… | — | 1894739 |
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| Artemisia tridentata subsp. vaseyana (Rydb.) Beetle | D. H. Wilken 13801 | 30 Aug 1981 | United States of America | Colorado | Eagle Co. Along County Road… | — | 1897461 |
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| Astragalus adsurgens Pall. | D. H. Wilken 14506 | 03 Jul 1985 | United States of America | Colorado | Larimer Co. Near head of… | — | 01203775 |
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| Astragalus bisulcatus var. haydenianus (A.Gray) Barneby | D. H. Wilken 14426 | 23 May 1985 | United States of America | Colorado | Archuleta Co. Echo Lake Wildlife… | — | 01244845 |
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| Astragalus cicer L. | D. H. Wilken 14532 | 24 Jul 1985 | United States of America | Colorado | Larimer Co. Cache La Poudre… | — | 01247636 |
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| Astragalus flavus Nutt. | D. H. Wilken 14421 | 21 May 1985 | United States of America | Arizona | Apache Co. Highway 666, 11.9… | — | 01249251 |
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| Astragalus linifolius Osterh. | D. H. Wilken 13955 | 02 Jun 1983 | United States of America | Colorado | Mesa Co. Blue Mesa Road,… | — | 24795 |
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| Astragalus linifolius Osterh. | D. H. Wilken 13533 | 27 May 1979 | United States of America | Colorado | Mesa Co. Escalante Canyon, 10.5… | — | 24797 |
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| Astragalus miser var. oblongifolius (Rydb.) Cronquist | D. H. Wilken 13626 | 23 Jul 1980 | United States of America | Colorado | Routt Co. West side of… | — | 01261705 |
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| Astragalus missouriensis Nutt. var. missouriensis | D. H. Wilken 13683 | 20 May 1981 | United States of America | Colorado | Larimer Co. Poudre River Canyon,… | — | 01262002 |
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| Astragalus mollissimus Torr. var. mollissimus | D. H. Wilken 13348 | 10 Jun 1978 | United States of America | Colorado | Yuma Co. Along Highway 51,… | — | 01265847 |
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| Astragalus mollissimus var. thompsonae (S.Watson) Barneby | D. H. Wilken 12587 | 24 May 1976 | United States of America | Colorado | Mesa Co. Along Little Dolores… | — | 01266068 |
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| Astragalus mollissimus var. thompsonae (S.Watson) Barneby | D. H. Wilken 12587 | 24 May 1976 | United States of America | Colorado | Mesa Co. Along Little Dolores… | — | 01266069 |
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| Astragalus molybdenus Barneby | D. H. Wilken 14124 | 12 Jul 1984 | United States of America | Colorado | Gunnison Co. Ridge east of… | — | 431414 |
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| Astragalus oocalycis M.E.Jones | D. H. Wilken 14722 | 27 May 1987 | United States of America | New Mexico | Rio Arriba Co. West side… | — | 01245918 |
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| Astragalus oophorus var. caulescens (M.E.Jones) M.E.Jones | D. H. Wilken 13531 | 26 May 1979 | United States of America | Colorado | Delta Co. Leroux Creek Road,… | — | 01245994 |
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| Astragalus oophorus var. wilkenii S.L.Welsh & N.D.Atwood | D. H. Wilken 14028 | 22 Jun 1984 | United States of America | Colorado | Gunnison Co. State Highway 149,… | isotype | 888347 |
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| Astragalus praelongus E.Sheld. var. praelongus | D. H. Wilken 12830 | 23 Apr 1977 | United States of America | Colorado | Mesa Co. Along Colorado River,… | — | 01246881 |
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| Astragalus robbinsii var. minor (Hook.) Barneby | D. H. Wilken 14072 | 06 Jul 1984 | United States of America | Colorado | Gunnison Co. Near summit of… | — | 01282440 |
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| Astragalus wingatanus S.Watson | D. H. Wilken 12594 | 24 May 1976 | United States of America | Colorado | Mesa Co. Junction of Little… | — | 01344691 |
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| Athyrium distentifolium var. americanum (Butters) Tausch & Cronquist | D. H. Wilken 14213 | 26 Jul 1984 | United States of America | Colorado | Gunnison Co. Poverty Gulch, 0.5… | — | 3797036 |
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| Atriplex graciliflora M.E.Jones | D. H. Wilken 13238 | 21 May 1978 | United States of America | Colorado | Garfield Co. Along Highway 139,… | — | 03091023 |
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| Atriplex wolfii var. tenuissima (A.Nelson) S.L.Welsh | D. H. Wilken 13566 | 22 Sep 1979 | United States of America | Colorado | Rio Blanco Co. mouth of… | — | 3335385 |
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| Bahia dissecta (A.Gray) Britton | D. H. Wilken 14285 | 17 Sep 1984 | United States of America | Colorado | Clear Creek Co. Along Clear… | — | 1900678 |
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| Bahia oppositifolia (Nutt.) DC. | D. H. Wilken 13904 | 29 Sep 1982 | United States of America | Colorado | Washington Co. Along County Road… | — | 1923065 |
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| Bahia oppositifolia (Nutt.) DC. | D. H. Wilken 13726 | 01 Jul 1981 | United States of America | Colorado | Costilla Co. Along State Highway… | — | 1923114 |
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