Displaying 76 - 100 out of 2574 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Marchantia polymorpha L. | J. T. Howell 358 | Jul 1934 | United States of America | California | Modoc Co. Plum Valley, Warner… | — | ||||
| Geastrum floriforme Vittad. | J. T. Howell 415 | Feb 1929 | United States of America | California | Santa Ana Mountains, above Glen… | — |
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| Eriogonum ochrocephalum S.Watson var. ochrocephalum | J. T. Howell 499 | 11 Jul 1973 | United States of America | Nevada | Washoe Co. East slope of… | — |
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| Mitrula paludosa Fr. | J. T. Howell 707 | 03 Jun 1963 | United States of America | California | Plumas Co. Butterfly Valley | — |
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| Mitrula paludosa Fr. | J. T. Howell 739 | 11 Jul 1963 | United States of America | California | 1 mi W Meyers | — |
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| Lupinus densiflorus var. densiflorus | J. T. Howell 1004 | 09 May 1925 | United States of America | California | Merced Co. Plains SW of… | — |
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| Lupinus arbustus var. arbustus | J. T. Howell 1341 | 10 May 1889 | United States of America | Oregon | Woodville. | — |
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| Plagiobothrys shastensis Greene ex A.Gray | J. T. Howell 1382 | May 1889 | United States of America | Oregon | Grants Pass. | — |
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| Agrostis aristiglumis Swallen | J. T. Howell 1411 | 14 May 1947 | United States of America | California | Marin Co. Drakes Estero, WNW… | isotype |
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| Isoetes howellii Engelm. | J. T. Howell 1521 | 03 Jul 1891 | United States of America | Oregon | Hood River | — |
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| Symphyotrichum chilense (Nees) G.L.Nesom | J. T. Howell 1578 | 28 Nov 1925 | United States of America | California | Solano Co. Cordelia | — |
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| Arctostaphylos tomentosa (Pursh) Lindl. | J. T. Howell 1652 | 28 Feb 1926 | United States of America | California | Marin Co. Rock Spring Trail,… | — |
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| Carex multicostata Mack. | J. T. Howell 1656 | 31 Jul 1941 | United States of America | California | Madera Co. Agnew Pass Trail | — |
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| Podaxis pistillaris (L.) Fr. | J. T. Howell 1729 | 06 Apr 1967 | United States of America | California | Inyo Co. East side Slate… | — |
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| Lupinus onustus S.Watson | J. T. Howell 1931 | 12 Jun 1967 | United States of America | California | Plumas Co. The Butterfly Botanical… | — |
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| Lupinus pachylobus Greene | J. T. Howell 1981 | 12 Jun 1967 | United States of America | California | Plumas Co. The Butterfly Botanical… | — |
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| Salix exigua subsp. melanopsis (Nutt.) Cronquist | J. T. Howell 2031 | 13 Jun 1926 | United States of America | California | Stanislaus Co. Knight's Ferry. | — |
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| Lupinus onustus S.Watson | J. T. Howell 2094 | 12 Jun 1967 | United States of America | California | Plumas Co. The Butterfly Botanical… | — |
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| Rosa gymnocarpa Nutt. | J. T. Howell 2112 | 12 Jul 1967 | United States of America | California | Plumas Co. Plants of the… | — |
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| Carex lemmonii W.Boott | J. T. Howell 2183 | 13 Jul 1965 | United States of America | California | Nevada Co. Marsh Mill 2… | — |
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| Salix exigua var. stenophylla (Rydb.) C.K.Schneid. | J. T. Howell 2220 | 10 Jul 1967 | United States of America | California | Plumas Co. The Butterfly Botanical… | — |
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| Apocynum pumilum (A.Gray) Greene | J. T. Howell 2221 | 10 Jul 1967 | United States of America | California | Plumas Co. Trestle Glen | — |
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| Lomatium nevadense (S.Watson) J.M.Coult. & Rose var. nevadense | J. T. Howell 2231 | 07 May 1967 | United States of America | California | Plumas Co. Pond reservoir. Butterfly… | — |
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| Isoetes nuttallii A.Braun | J. T. Howell 2296 | 04 Apr 1927 | United States of America | California | Shasta Co. Turf of stream-bank,… | — |
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| Lupinus arbustus subsp. silvicola (A.Heller) D.B.Dunn | J. T. Howell 2407 | 11 Jun 1968 | United States of America | California | Plumas Co. Butterfly Botanical Area.… | — |
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