Displaying 1 - 75 out of 2338 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Aquilegia desertorum (M.E.Jones) Cockerell ex A.Heller | A. H. Holmgren 15480 | 29 Apr 1970 | United States of America | Arizona | Coconino Co. Buck Farm Canyon,… | — |
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| Mirabilis multiflora (Torr.) A.Gray | A. H. Holmgren 15625 | 11 May 1971 | United States of America | Arizona | Coconino Co. Grand Canyon, Deer… | — |
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| Draba cuneifolia Nutt. var. cuneifolia | A. H. Holmgren 15637 | 12 May 1971 | United States of America | Arizona | Mohave Co. Mohave-Cococnino County line:… | — |
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| Abronia elliptica A.Nelson | A. H. Holmgren 10008 | 08 May 1954 | United States of America | Arizona | At confluence of Navajo Creek… | — |
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| Eremogone aberrans (M.E.Jones) Ikonn. | A. H. Holmgren 10665 | 06 Jul 1954 | United States of America | Arizona | Coconino Co. South end of… | — |
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| Arabis perennans S.Watson | A. H. Holmgren 15617 | 11 May 1971 | United States of America | Arizona | Coconino Co. Grand Canyon, Tapeats… | — |
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| Townsendia smithii L.M.Shultz & A.H.Holmgren | A. H. Holmgren 16380 | 04 Jun 1977 | United States of America | Arizona | Mohave Co. Black Rock Mountain,… | isotype |
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| Descurainia incisa (Engelm. ex A.Gray) Britton var. incisa | A. H. Holmgren 15659 | 14 May 1971 | United States of America | Arizona | Mohave Co. Colorado River, across… | — |
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| Penstemon pachyphyllus var. congestus (M.E.Jones) N.H.Holmgren | A. H. Holmgren 7195 | 31 May 1948 | United States of America | Arizona | Coconino Co. LeFevre Ridge, Kaibab… | — |
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| Sphaeralcea ambigua A.Gray var. ambigua | A. H. Holmgren 15490 | 30 Apr 1970 | United States of America | Arizona | Coconino Co. Rocky slopes 1… | — |
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| Primula specuicola Rydb. | A. H. Holmgren | 29 Apr 1970 | United States of America | Arizona | Coconino Co. Buck Farm Canyon,… | — |
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| Arctostaphylos pungens Kunth | A. H. Holmgren 10622 | 06 Jul 1954 | United States of America | Arizona | Coconino Co. South end of… | — |
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| Aquilegia chrysantha A.Gray | A. H. Holmgren 15505 | 02 May 1970 | United States of America | Arizona | Coconino Co. Elves Chasm, Colorado… | — |
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| Saxifraga rhomboidea Greene | A. H. Holmgren 7192 | 31 May 1948 | United States of America | Arizona | Coconino Co. In the vicinity… | — |
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| Krascheninnikovia lanata (Pursh) A.Meeuse & A.Smit | A. H. Holmgren 15521 | 03 May 1970 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Delphinium scaposum Greene | A. H. Holmgren 15626 | 11 May 1971 | United States of America | Arizona | Coconino Co. Grand Canyon, Deer… | — |
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| Astragalus amphioxys A.Gray var. amphioxys | A. H. Holmgren 7207 | 31 May 1948 | United States of America | Arizona | Coconino Co. LeFevre Ridge, Kaibab… | — |
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| Penstemon utahensis Eastw. | A. H. Holmgren 16400 | 05 Jun 1977 | United States of America | Arizona | Mohave Co. Virgin Mountains in… | — |
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| Lepidium fremontii S.Watson | A. H. Holmgren 15620 | 11 May 1971 | United States of America | Arizona | Coconino Co. Grand Canyon, Tapeats… | — |
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| Penstemon rostriflorus Kellogg | A. H. Holmgren 10633 | 06 Jul 1954 | United States of America | Arizona | Coconino Co. South end of… | — |
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| Eremogone eastwoodiae (Rydb.) Ikonn. | A. H. Holmgren 10621 | 04 Jul 1954 | United States of America | Arizona | Coconino Co. Ridge near head… | — |
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| Lepidium montanum var. jonesii (Rydb.) C.L.Hitchc. | A. H. Holmgren 15573 | 06 May 1971 | United States of America | Arizona | Coconino Co. Colorado River, Marble… | — |
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| Silene antirrhina L. | A. H. Holmgren 15543 | 06 May 1970 | United States of America | Arizona | Mohave Co. Above Whitmore Rapids… | — |
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| Lesquerella purpurea (A.Gray) S.Watson | A. H. Holmgren 15503 | 02 May 1970 | United States of America | Arizona | Coconino Co. Banks of Elves… | — |
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| Penstemon thompsoniae (A.Gray) Rydb. | A. H. Holmgren 7203 | 31 May 1948 | United States of America | Arizona | Coconino Co. LeFevre Ridge, Kaibab… | — |
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| Anulocaulis leiosolenus (Torr.) Standl. var. leiosolenus | A. H. Holmgren 15495 | 30 Apr 1970 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Ephedra aspera Engelm. ex S.Watson | A. H. Holmgren 15612 | 10 May 1971 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Astragalus desperatus M.E.Jones var. desperatus | A. H. Holmgren 15513 | 2 May 1970 | United States of America | Arizona | Coconino Co. Tapeats Creek, about… | — |
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| Astragalus nuttallianus var. micranthiformis Barneby | A. H. Holmgren 15642 | 12 May 1971 | United States of America | Arizona | Mohave-Coconino Co. line: Kanab Creek… | — |
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| Astragalus praelongus E.Sheld. var. praelongus | A. H. Holmgren 15627 | 11 May 1971 | United States of America | Arizona | Coconino Co. Grand Canyon, Deer… | — |
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| Astragalus praelongus E.Sheld. var. praelongus | A. H. Holmgren 15488 | 29 Apr 1970 | United States of America | Arizona | Coconino Co. Buck Farm Canyon.… | — |
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| Astragalus preussii A.Gray var. preussii | A. H. Holmgren 15597 | 08 May 1971 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Astragalus preussii A.Gray var. preussii | A. H. Holmgren 15587 | 07 May 1971 | United States of America | Arizona | Coconino Co. Little Colorado River,… | — |
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| Dalea searlsiae (A.Gray) Barneby | A. H. Holmgren 15524 | 04 May 1970 | United States of America | Arizona | Coconino Co. Fishtail Canyon, 139.5… | — |
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| Trifolium dasyphyllum Torr. & A.Gray | A. H. Holmgren 10635 | 06 Jul 1954 | United States of America | Arizona | Coconino Co. South end of… | — |
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| Phoradendron californicum Nutt. | A. H. Holmgren 15544 | 06 May 1970 | United States of America | Arizona | Mohave Co. Grand Canyon, Colorado… | — |
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| Eriogonum fasciculatum var. polifolium (Benth.) Torr. & A.Gray | A. H. Holmgren 15546 | 07 May 1970 | United States of America | Arizona | Mohave Co. Grand Canyon, Colorado… | — |
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| Arabis perennans S.Watson | A. H. Holmgren 15523 | 03 May 1970 | United States of America | Arizona | Coconino Co. Grand Canyon, Tapeats… | — |
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| Stanleya pinnata (Pursh) Britton var. pinnata | A. H. Holmgren 15536 | 04 May 1970 | United States of America | Arizona | Mohave Co. Grand Canyon, Colorado… | — |
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| Argemone munita subsp. rotundata (Rydb.) G.B.Ownbey | A. H. Holmgren 15572 | 06 May 1971 | United States of America | Arizona | Coconino Co. Marble Canyon, Colorado… | — |
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| Chamaesyce arizonica (Engelm.) Arthur | A. H. Holmgren 15496 | 01 May 1970 | United States of America | Arizona | Coconino Co. Grand Canyon, Colorado… | — |
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| Euphorbia aaron-rossii A.H.Holmgren & N.H.Holmgren | A. H. Holmgren 15471 | 28 Apr 1970 | United States of America | Arizona | Coconino Co. Marble Canyon, Colorado… | — |
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| Phacelia glechomaefolia A.Gray | A. H. Holmgren 15537a | 06 May 1970 | United States of America | Arizona | Mohave Co. Grand Canyon, Colorado… | — |
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| Cryptantha racemosa (S.Watson) Greene | A. H. Holmgren 15474 | 28 Apr 1970 | United States of America | Arizona | Coconino Co. Marble Canyon, Colorado… | — |
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| Plagiobothrys jonesii A.Gray | A. H. Holmgren 15491 | 30 Apr 1970 | United States of America | Arizona | Coconino Co. Grand Canyon, Colorado… | — |
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| Mimulus guttatus DC. | A. H. Holmgren 15548 | 07 May 1970 | United States of America | Arizona | Mohave Co. Grand Canyon, Colorado… | — |
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| Orobanche fasciculata Nutt. | A. H. Holmgren 15473 | 28 Apr 1970 | United States of America | Arizona | Coconino Co. Marble Canyon, Colorado… | — | ||||
| Plantago ovata Forssk. | A. H. Holmgren 15654 | 14 May 1971 | United States of America | Arizona | Coconino Co. Colorado River (Mile… | — | ||||
| Plantago patagonica Jacq. | A. H. Holmgren 15654a | 14 May 1971 | United States of America | Arizona | Coconino Co. Colorado River (Mile… | — | ||||
| Philadelphus microphyllus A.Gray var. microphyllus | A. H. Holmgren 10623 | — | United States of America | Arizona | Coconino Co. On south end… | — |
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| Fendlera rupicola Engelm. & A.Gray var. rupicola | A. H. Holmgren 10674 | 08 Jul 1954 | United States of America | Arizona | Coconino Co. Hogback between Cow… | — |
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| Fendlera rupicola Engelm. & A.Gray var. rupicola | A. H. Holmgren 10675 | 08 Jul 1954 | United States of America | Arizona | Coconino Co. In hogback between… | — |
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| Petrophytum caespitosum var. elatius (S.Watson) Tidestr. | A. H. Holmgren 15504 | 02 May 1970 | United States of America | Arizona | Coconino Co. Grand Canyon, Colorado… | — |
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| Petrophytum caespitosum (Nutt.) Rydb. | A. H. Holmgren 15537 | 04 May 1970 | United States of America | Arizona | Mohave Co. Grand Canyon, Colorado… | — |
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| Camissonia multijuga (S.Watson) P.H.Raven | A. H. Holmgren 15533 | 04 May 1970 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Camissonia refracta (S.Watson) P.H.Raven | A. H. Holmgren 20648 | 26 Apr 1941 | United States of America | Arizona | Mohave Co. Road to Grand… | — |
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| Oenothera cavernae Munz | A. H. Holmgren 15633 | 12 May 1971 | United States of America | Arizona | Mohave-Coconino Co. line: Kanab Creek… | — |
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| Bernardia incana C.V.Morton | A. H. Holmgren 15636 | 12 May 1971 | United States of America | Arizona | Mohave-Coconino Co. line: Kanab Creek… | — |
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| Ceanothus fendleri A.Gray | A. H. Holmgren 10651 | 06 Jul 1954 | United States of America | Arizona | Coconino Co. South end of… | — |
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| Vitis arizonica Engelm. | A. H. Holmgren 15527 | 04 May 1970 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Ptelea trifoliata L. | A. H. Holmgren 15520 | 03 May 1970 | United States of America | Arizona | Coconino Co. Grand Canyon, Tapeats… | — | ||||
| Ptelea trifoliata subsp. pallida (Greene) V.L.Bailey | A. H. Holmgren 15631 | 11 May 1971 | United States of America | Arizona | Coconino Co. Grand Canyon, Tapeats… | — | ||||
| Thamnosma montana Torr. & Frém. | A. H. Holmgren 15602 | 08 May 1971 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Elymus L. | A. H. Holmgren 15618 | 11 May 1971 | United States of America | Arizona | Coconino Co. Grand Canyon, Tapeats… | — |
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| Cryptantha setosissima (A.Gray) Payson | A. H. Holmgren 10680 | 09 Jul 1954 | United States of America | Arizona | Coconino Co. North rim of… | — |
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| Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum | A. H. Holmgren 15538 | 06 May 1970 | United States of America | Arizona | Mohave Co. Colorado River, 170… | — |
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| Cryptantha nevadensis A.Nelson & P.B.Kenn. | A. H. Holmgren 15638 | 12 May 1971 | United States of America | Arizona | Mohave Co. Mohave-Coconino Co. line:… | — |
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| Cryptantha crassisepala (Torr. & A.Gray) Greene | A. H. Holmgren 15567 | 06 May 1971 | United States of America | Arizona | Coconino Co. Colorado River, Marble… | — |
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| Cryptantha crassisepala (Torr. & A.Gray) Greene | A. H. Holmgren 15567 | 06 May 1971 | United States of America | Arizona | Coconino Co. Colorado River, Marble… | — |
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| Salvia dorrii (Kellogg) Abrams var. dorrii | A. H. Holmgren 15513 | 02 May 1970 | United States of America | Arizona | Coconino Co. Tapeats Creek, about… | — |
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| Astragalus lentiginosus var. bryantii (Barneby) J.A.Alexander | A. H. Holmgren 15615 | 10 May 1971 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Astragalus lentiginosus var. bryantii (Barneby) J.A.Alexander | A. H. Holmgren 15609 | 08 May 1971 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Astragalus lentiginosus var. bryantii (Barneby) J.A.Alexander | A. H. Holmgren 15502 | 01 May 1970 | United States of America | Arizona | Coconino Co. Bass Rapid, 108… | — |
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| Maurandya antirrhiniflora Humb. & Bonpl. ex Willd. | A. H. Holmgren 15608 | 08 May 1971 | United States of America | Arizona | Coconino Co. Colorado River, Grand… | — |
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| Physalis hederifolia A.Gray | A. H. Holmgren 15516 | 03 May 1970 | United States of America | Arizona | Coconino Co. Grand Canyon, Tapeats… | — |
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