Displaying 1 - 50 out of 786 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Abies magnifica A.Murray bis | P. H. Raven 3780 | 05 Aug 1951 | United States of America | California | Madera Co. Dike Creek | — |
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| Abronia umbellata subsp. alba (Eastw.) E.Murray | P. H. Raven 14996 | 05 Apr 1960 - 07 Apr 1960 | United States of America | California | Santa Barbara Co. Santa Rosa… | — |
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| Acalypha arvensis Poepp. | P. H. Raven 21620 | 08 Aug 1967 | Costa Rica | Puntarenas | near the airport area, 4… | — |
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| Acalypha rhomboidea Raf. | P. H. Raven 27217 | 24 Jul 1986 | United States of America | Missouri | Jefferson Co. 6.5 mi (10.5… | — |
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| Acamptopappus shockleyi A.Gray | P. H. Raven 12850 | 04 May 1958 | United States of America | Nevada | Esmeralda Co. along State Highway… | — |
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| Acer negundo L. | P. H. Raven 27087 | 14 Jun 1986 | United States of America | Missouri | Jefferson Co. 6.5 mi (10.5… | — |
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| Acer negundo L. | P. H. Raven 27629 | 09 Apr 1988 | United States of America | Missouri | Jefferson Co. 6.5 mi (10.5… | — |
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| Acer negundo L. | P. H. Raven 27630 | 09 Apr 1988 | United States of America | Missouri | Jefferson Co. 6.5 mi (10.5… | — |
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| Acer negundo var. californicum (Torr. & A.Gray) Wesm. | P. H. Raven 8138 | 03 Sep 1954 | United States of America | California | Merced Co. banks of San… | — |
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| Acer saccharinum L. | P. H. Raven 27432 | 14 Mar 1987 | United States of America | Missouri | Jefferson Co. 6.5 mi (10.5… | — |
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| Acer saccharum Marshall | P. H. Raven 27795 | 30 Apr 1989 | United States of America | Missouri | Jefferson Co. 6.5 Mi (10.5… | — |
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| Acer saccharum Marshall | P. H. Raven 27780 | 16 Apr 1989 | United States of America | Missouri | Jefferson Co. 6.5 Mi (10.5… | — |
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| Achnatherum pinetorum (M.E.Jones) Barkworth | P. H. Raven 13406 | 24 Jun 1958 | United States of America | Nevada | Elko Co. Just above Angel… | — |
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| Achnatherum x bloomeri (Bol.) Barkworth | P. H. Raven 3386 | 12 Jul 1951 | United States of America | California | Madera Co. Ridge N.E., Lake… | — |
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| Aconitum columbianum Nutt. subsp. columbianum | P. H. Raven 20632 | 31 Aug 1965 | United States of America | Nevada | Elko Co. Angel Lake, East… | — |
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| Aconogonon phytolaccifolium (Meisn. ex Small) Rydb. | P. H. Raven 13417 | 24 Jun 1958 | United States of America | Nevada | Elko Co. Just above Angel… | — |
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| Adiantum jordanii C.H.Müll. | P. H. Raven 1421 | 11 Mar 1950 | United States of America | California | Marin Co. Hills above Tiburon | — |
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| Adiantum pedatum L. | P. H. Raven 27541 | 07 Jun 1987 | United States of America | Missouri | Jefferson Co. 6.5 mi (10.5… | — |
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| Agalinis purpurea (L.) Pennell var. purpurea | P. H. Raven 26488 | 14 Sep 1974 | United States of America | Arkansas | Hempstead Co. 1.4 miles S… | — |
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| Agastache urticifolia (Benth.) Kuntze var. urticifolia | P. H. Raven 13512 | 25 Jun 1958 | United States of America | Nevada | Elko Co. Along road to… | — |
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| Agrostis exarata Trin. | P. H. Raven 3020 | 24 Jun 1951 | United States of America | California | Napa Co. Brown's Valley-Sonoma-Napa Road. | — |
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| Agrostis exarata Trin. | P. H. Raven 3525 | 15 Jul 1951 | United States of America | California | Madera Co. Red's Meadows. | — |
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| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | P. H. Raven 3372 | 12 Jul 1951 | United States of America | California | Madera Co. Ridge n. of… | — |
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| Agrostis idahoensis Nash | P. H. Raven 8523 | 09 Aug 1955 | United States of America | Washington | Pierce Co. Trail on Mount… | — |
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| Agrostis idahoensis Nash | P. H. Raven 5875 | 27 Jul 1953 | United States of America | California | Fresno Co. Mono Creek. Fish… | — |
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| Agrostis idahoensis Nash | P. H. Raven 3512 | 15 Jul 1951 | United States of America | California | Madera Co. Red's Meadows. | — |
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| Agrostis pallens Trin. | P. H. Raven 2525 | 11 Jul 1950 | United States of America | California | Monterey Co. Base of 11th-13th… | — |
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| Agrostis stolonifera L. | P. H. Raven 13158 | 10 Jun 1958 | United States of America | Utah | Washington Co. Lower campground. Zion… | — |
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| Agrostis variabilis Rydb. | P. H. Raven 3759 | 05 Aug 1951 | United States of America | California | Madera Co. Lake on Dike… | — |
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| Aliciella latifolia (S.Watson) J.M.Porter | P. H. Raven 6978 | 14 Jun 1954 | United States of America | California | Inyo Co. Gravel-covered granite slopes… | — |
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| Allium acuminatum Hook. | P. H. Raven 13515 | 25 Jun 1958 | United States of America | Nevada | Elko Co. Along road to… | — |
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| Allium campanulatum S.Watson | P. H. Raven 3444 | 14 Jul 1951 | United States of America | California | Madera Co. Agnew Meadows to… | — |
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| Allium diabolense (Ownbey ex Traub) McNeal | P. H. Raven 10842 | 11 May 1957 | United States of America | California | San Benito Co. Above Clear… | — |
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| Alnus incana subsp. tenuifolia (Nutt.) Breitung | P. H. Raven 3398 | 14 Jul 1951 | United States of America | California | Madera Co. N. Fork San… | — |
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| Alnus rubra Bong. | P. H. Raven 8975 | 08 Apr 1956 | United States of America | California | Alameda Co. In the bed… | — |
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| Amblystegium varium (Hedw.) Lindb. | P. H. Raven 27765 | 29 Nov 1988 | United States of America | Missouri | Jefferson Co. W of DeSoto;… | — | ||||
| Ambrosia acanthicarpa Hook. | P. H. Raven 13199 | 13 Jun 1958 | United States of America | Nevada | Washoe Co. 1.3 miles north… | — |
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| Amelanchier alnifolia (Nutt.) Nutt. var. alnifolia | P. H. Raven 20626 | 31 Aug 1965 | United States of America | Nevada | Elko Co. Angel Lake, East… | — |
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| Amelanchier utahensis Koehne var. utahensis | P. H. Raven 13433 | 24 Jun 1958 | United States of America | Nevada | Elko Co. Angel Lake, East… | — |
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| Amphipappus fremontii Torr. & A.Gray ex A.Gray | P. H. Raven 12003 | 29 Mar 1958 | United States of America | California | Inyo Co. Along road 3.2… | — |
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| Andropogon gerardii Vitman | P. H. Raven | 14 Sep 1991 | United States of America | Missouri | Jefferson Co. Along seasonally moist… | — |
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| Andropogon virginicus L. | P. H. Raven 27612 | — | United States of America | Missouri | Jefferson Co. 6.5 mi (10.5… | — |
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| Andropogon virginicus L. | P. H. Raven 27942 | 14 Sep 1991 | United States of America | Missouri | Jefferson Co. 6.5 mi (10.5… | — |
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| Anomodon rostratus (Hedw.) Schimp. | P. H. Raven 6s.n. | 22 Nov 1973-23 Nov 1973 | United States of America | Missouri | Texas Co. Cardinal Acres, just… | — | ||||
| Antennaria rosea subsp. confinis (Greene) R.J.Bayer | P. H. Raven 13481 | 25 Jun 1958 | United States of America | Nevada | Elko Co. along road to… | — |
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| Anthurium clavigerum Poepp. | P. H. Raven 20864 | 21 Mar 1967 | Costa Rica | Puntarenas | Along the Camino al Pacifico,… | — |
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| Apocynum cannabinum L. | P. H. Raven 27091 | 14 Jun 1986 | United States of America | Missouri | Jefferson Co. 6.5 mi (10.5… | — |
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| Arabis holboellii var. retrofracta (Graham) Rydb. | P. H. Raven 13403 | 24 Jun 1958 | United States of America | Nevada | Elko Co. On rocky slopes,… | — |
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| Arctostaphylos franciscana Eastw. | P. H. Raven 3972 | 10 Apr 1952 | United States of America | California | Above Baker's Beach, San Francisco. | — |
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| Arctostaphylos manzanita Parry | P. H. Raven 6413 | 22 Feb 1954 | United States of America | California | Napa Co. Hills N of… | — |
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