Displaying 1 - 75 out of 9269 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Carex macrochaeta C.A.Mey. | N. D. Atwood 18483 | 31 Jul 1993 | United States of America | Alaska | Skagway-Yakutat-Angoon. Klondike Gold Rush National… | — | 2290185 |
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| Carex mackenziei V.I.Krecz. | N. D. Atwood 18578 | 01 Aug 1993 | United States of America | Alaska | White Pass Fork of the… | — | 2290022 |
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| Carex pyrenaica Wahlenb. | N. D. Atwood 18403 | 30 Jul 1993 | United States of America | Alaska | Skagway-Yakutat-Angoon. Klondike Goldrush National Historic… | — | 2298702 |
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| Carex nigricans C.A.Mey. | N. D. Atwood 18585 | 01 Aug 1993 | United States of America | Alaska | White Pass Fork of the… | — | 2293035 |
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| Carex laeviculmis Meinsh. | N. D. Atwood 18587 | 01 Aug 1993 | United States of America | Alaska | White Pass Fork of the… | — | 2193549 |
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| Carex saxatilis L. | N. D. Atwood 18579 | 01 Aug 1993 | United States of America | Alaska | White Pass Fork of the… | — | 2301900 |
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| Carex saxatilis L. | N. D. Atwood 18797 | 11 Aug 1995 | United States of America | Alaska | SE AK, P. of Wales… | — | 2301901 |
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| Carex disperma Dewey | N. D. Atwood 18474 | 31 Jul 1993 | United States of America | Alaska | Klondike Goldrush National Historic Park… | — | 2263267 |
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| Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. | N. D. Atwood 26879 | 11 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 570712 |
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| Draba asprella var. kaibabensis C.L.Hitchc. | N. D. Atwood 20830 | 25 Apr 1996 | United States of America | Arizona | Coconino Co. Saddle Canyon, Kaibab… | — | 641769 |
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| Ribes cereum Douglas | N. D. Atwood 24231 | 23 Apr 1999 | United States of America | Arizona | Mohave Co. Upper Trail Canyon | — | 455004 |
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| Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. | N. D. Atwood 25375 | 01 May 2000 | United States of America | Arizona | Coconino Co. Ca. 1 mile… | — | 483308 |
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| Sphaeralcea gierischii N.D.Atwood & S.L.Welsh | N. D. Atwood 25543 | 10 May 2000 | United States of America | Arizona | Mohave Co. On BLM road… | paratype | 594839 |
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| Allionia incarnata L. | N. D. Atwood 25137 | 21 Apr 2000 | United States of America | Arizona | Mohave Co. Parashant National Monument,… | — | 496280 |
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| Eriogonum fasciculatum Benth. | N. D. Atwood 25139 | 21 Apr 2000 | United States of America | Arizona | Mohave Co. Parashant National Monument,… | — | 487315 |
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| Mentzelia integra (M.E.Jones) Tidestr. | N. D. Atwood 9394 | 11 Jun 1983 | United States of America | Arizona | Mohave Co. Honeymoon Trail, 14… | — | 39896 |
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| Penstemon linarioides var. sileri A.Gray | N. D. Atwood 24876 | 29 Jun 1999 | United States of America | Arizona | Mohave Co. 1.5 miles south… | — | 608921 |
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| Sphaeralcea ambigua A.Gray | N. D. Atwood 27226 | 22 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 572369 |
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| Androsace occidentalis Pursh | N. D. Atwood 12679 | 20 May 1987 | United States of America | Arizona | Mohave Co. 14 mi. NW… | — | 223889 |
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| Sphaeralcea rusbyi A.Gray | N. D. Atwood 27513 | 23 May 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 570718 |
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| Ephedra viridis Coville | N. D. Atwood 26790 | 09 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 579109 |
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| Delphinium scaposum Greene | N. D. Atwood 1741 | 26 May 1969 | United States of America | Arizona | Mohave Co. Little Tank Junction,… | — | 488035 |
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| Astragalus amphioxys A.Gray var. amphioxys | N. D. Atwood 9401 | 12 Jun 1983 | United States of America | Arizona | Mohave Co. 7 miles north… | — | 791112 |
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| Thelypodiopsis ambigua (S.Watson) Al-Shehbaz var. ambigua | N. D. Atwood 24303 | 27 Apr 1999 | United States of America | Arizona | Mohave Co. Arizona Strip, ca… | — | 280044 |
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| Eriogonum microthecum var. simpsonii (Benth.) Reveal | N. D. Atwood 27850 | 21 Sep 2001 | United States of America | Arizona | Mohave Co. Bull Point Wash… | — | 571237 |
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| Penstemon pachyphyllus var. congestus (M.E.Jones) N.H.Holmgren | N. D. Atwood 1399 | 27 May 1968 | United States of America | Arizona | Mohave Co. Ca. 18 miles… | — | 627996 |
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| Eriogonum fasciculatum Benth. | N. D. Atwood 25194 | 22 Apr 2000 | United States of America | Arizona | Mohave Co. Pigeon Canyon | — | 446505 |
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| Penstemon eatonii var. undosus M.E.Jones | N. D. Atwood 6019 | 26 Apr 1974 | United States of America | Arizona | Mohave Co. Parashant (Trail) Canyon,… | — | 592777 |
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| Chorizanthe brevicornu Torr. | N. D. Atwood 26856 | 11 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 663019 |
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| Penstemon pseudoputus (Crosswh.) N.H.Holmgren | N. D. Atwood 5592 | 29 Jul 1973 | United States of America | Arizona | Coconino Co. West side of… | — | 640566 |
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| Penstemon barbatus (Cav.) Roth var. barbatus | N. D. Atwood 5594 | 29 Jul 1973 | United States of America | Arizona | Coconino Co. West side of… | — | 571382 |
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| Eremogone eastwoodiae (Rydb.) Ikonn. | N. D. Atwood 27245 | 22 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 663061 |
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| Phacelia crenulata var. angustifolia N.D.Atwood | N. D. Atwood 2597 | 18 May 1970 | United States of America | Arizona | Coconino Co. Small mesas, just… | isotype | 74081 |
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| Penstemon distans N.H.Holmgren | N. D. Atwood 6067 | 28 Apr 1974 | United States of America | Arizona | Mohave Co. Andrus Canyon, ca.… | — | 592484 |
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| Penstemon thompsoniae (A.Gray) Rydb. | N. D. Atwood 10981 | 15 May 1985 | United States of America | Arizona | Mohave Co. Jump Canyon southeast… | — | 662373 |
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| Thysanocarpus curvipes Hook. | N. D. Atwood 26786 | 09 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 640808 |
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| Mentzelia pterosperma Eastw. | N. D. Atwood 10955 | 15 May 1985 | United States of America | Arizona | Mohave Co. Pakoon Wash, ca.… | — | 540162 |
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| Astragalus calycosus var. scaposus (A.Gray) M.E.Jones | N. D. Atwood 1732 | 26 May 1969 | United States of America | Arizona | Mohave Co. Ca. 19 miles… | — | 797091 |
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| Lepidium fremontii S.Watson | N. D. Atwood 25108 | 19 Apr 2000 | United States of America | Arizona | Mohave Co. Whitmore Canyon, northeast… | — | 608952 |
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| Eriogonum umbellatum Torr. | N. D. Atwood 25635 | 11 May 2000 | United States of America | Arizona | Mohave Co. Road Canyon | — | 483300 |
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| Penstemon pachyphyllus var. congestus (M.E.Jones) N.H.Holmgren | N. D. Atwood 12645 | 20 May 1987 | United States of America | Arizona | Mohave Co. 53.6 miles southeast… | — | 627999 |
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| Penstemon pachyphyllus var. congestus (M.E.Jones) N.H.Holmgren | N. D. Atwood 12645 | 20 May 1987 | United States of America | Arizona | Mohave Co. 53.6 miles southeast… | — | 628000 |
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| Lepidium densiflorum var. ramosum (A.Nelson) Thell. | N. D. Atwood 25087 | 19 Apr 2000 | United States of America | Arizona | Mohave Co. Ca. 4 miles… | — | 608947 |
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| Lepidium eastwoodiae Wooton | N. D. Atwood 6391 | 25 Aug 1974 | United States of America | Arizona | Coconino Co. Lee's Ferry, along… | — | 76283 |
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| Boerhavia coulteri (Hook.f.) S.Watson var. coulteri | N. D. Atwood 27936 | 09 Oct 2001 | United States of America | Arizona | Mohave Co. Along I-15, ca.… | — | 571273 |
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| Sphaeralcea gierischii N.D.Atwood & S.L.Welsh | N. D. Atwood 25293 | 24 Apr 2000 | United States of America | Arizona | Mohave Co. 1.2 miles N… | isotype | 579450 |
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| Eschscholzia californica subsp. mexicana (Greene) C.Clark | N. D. Atwood 25098a | 19 Apr 2000 | United States of America | Arizona | Mohave Co. Bottom of Whitmore… | — | 499993 |
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| Mentzelia nitens Greene var. nitens | N. D. Atwood 26365 | 23 Mar 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 801126 |
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| Astragalus calycosus var. scaposus (A.Gray) M.E.Jones | N. D. Atwood 25044 | 18 Apr 2000 | United States of America | Arizona | Mohave Co. 1 mile northwest… | — | 797095 |
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| Ephedra viridis Coville | N. D. Atwood 26823a | 10 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 579151 |
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| Allionia incarnata L. | N. D. Atwood 24922 | 01 Jul 1999 | United States of America | Arizona | Mohave Co. Parashant Canyon, 6… | — | 496279 |
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| Krascheninnikovia lanata (Pursh) A.Meeuse & A.Smit | N. D. Atwood 27186 | 21 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 571268 |
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| Sphaeralcea parvifolia A.Nelson | N. D. Atwood 25584 | 11 May 2000 | United States of America | Arizona | Mohave Co. 2 miles north… | — | 483309 |
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| Penstemon pachyphyllus var. congestus (M.E.Jones) N.H.Holmgren | N. D. Atwood 27311 | 23 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 628001 |
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| Penstemon pachyphyllus var. congestus (M.E.Jones) N.H.Holmgren | N. D. Atwood 9443 | 13 Jun 1983 | United States of America | Arizona | Mohave Co. Mt. Trumbull, jct… | — | 627998 |
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| Penstemon thompsoniae (A.Gray) Rydb. | N. D. Atwood 9445 | 13 Jun 1983 | United States of America | Arizona | Mohave Co. Mt. Trumbull, jct… | — | 662372 |
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| Penstemon linarioides var. sileri A.Gray | N. D. Atwood 9446 | 13 Jun 1983 | United States of America | Arizona | Mohave Co. Mt. Trumbull, jct… | — | 608920 |
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| Draba cuneifolia Nutt. var. cuneifolia | N. D. Atwood 26622 | 30 Mar 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 628634 |
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| Penstemon ophianthus Pennell | N. D. Atwood 24896 | 29 Jun 1999 | United States of America | Arizona | Mohave Co. 2.5 miles east… | — | 627889 |
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| Penstemon linarioides var. sileri A.Gray | N. D. Atwood 24897 | 29 Jun 1999 | United States of America | Arizona | Mohave Co. 2.5 miles east… | — | 608922 |
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| Penstemon thompsoniae (A.Gray) Rydb. | N. D. Atwood 12661 | 20 May 1987 | United States of America | Arizona | Mohave Co. 15 miles NW… | — | 662376 |
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| Sphaeralcea gierischii N.D.Atwood & S.L.Welsh | N. D. Atwood 25233 | 23 Apr 2000 | United States of America | Arizona | Mohave Co. Black Knolls, ca.… | paratype | 594838 |
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| Rorippa sylvestris (L.) Besser | N. D. Atwood 25827 | 20 Jun 2000 | United States of America | Arizona | Apache Co. Chuska Mountains, 3.5… | — | 630429 |
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| Lesquerella ludoviciana (Nutt.) S.Watson | N. D. Atwood 6115 | 10 May 1974 | United States of America | Arizona | Coconino Co. White Mesa, ca… | — | 76974 |
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| Eriogonum deflexum Torr. var. deflexum | N. D. Atwood 27880 | 22 Sep 2001 | United States of America | Arizona | Mohave Co. 1 mile south… | — | 570044 |
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| Mentzelia pterosperma Eastw. | N. D. Atwood 27543 | 25 May 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 801169 |
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| Myosurus cupulatus S.Watson | N. D. Atwood 26767 | 09 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 572195 |
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| Eschscholzia californica var. mexicana (Greene) N.H.Holmgren & P.K.Holmgren | N. D. Atwood 26777 | 09 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 572355 |
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| Mentzelia tricuspis A.Gray | N. D. Atwood 26991 | 14 Apr 2001 | United States of America | Arizona | Mohave Co. Tassi Spring. | — | 801135 |
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| Oligomeris linifolia (Vahl) J.F.Macbr. | N. D. Atwood 27134 | 21 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 762424 |
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| Sisymbrium irio L. | N. D. Atwood 25151 | 22 Apr 2000 | United States of America | Arizona | Mohave Co. Tassi Spring, Lake… | — | 640807 |
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| Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. | N. D. Atwood 26735 | 02 Apr 2001 | United States of America | Arizona | Mohave Co. Grand Canyon Parashant… | — | 570710 |
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| Eriogonum davidsonii Greene | N. D. Atwood 1750 | 27 May 1969 | United States of America | Arizona | Mohave Co. Ca 3 miles… | — | 280363 |
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| Astragalus calycosus var. scaposus (A.Gray) M.E.Jones | N. D. Atwood 12670 | 20 May 1987 | United States of America | Arizona | Mohave Co. 15 miles northwest… | — | 797093 |
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| Penstemon parryi (A.Gray) A.Gray | N. D. Atwood 2184 | 27 Mar 1970 | United States of America | Arizona | Cochise Co. Junction of Highway… | — | 629334 |
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