Displaying 2451 - 2500 out of 2574 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Euphoria punctata Delile | J. T. Howell 10056 | 13 Jun 1932 | Ecuador | Galápagos | James Island. Sullivan Bay | — |
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| Euphoria punctata Delile | J. T. Howell 10054 | 13 Jun 1932 | Ecuador | Galápagos | James Island. Sullivan Bay | — |
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| Groutiella mucronifolia (Hook. & Grev.) H.A.Crum & Steere | J. T. Howell 24 | 15 May 1932 | Ecuador | Galápagos | North side of Floreana Peak,… | — |
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| Opuntia insularis Stewart | J. T. Howell 9516 | 24 May 1932 | Ecuador | Galápagos | Albemarle Island. Tagus Cove, Young… | — |
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| Opuntia insularis Stewart | J. T. Howell 9626 | 30 May 1932 | Ecuador | Galápagos | Albemarle Island. East side of… | — |
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| Euphorbia viminea Hook.f. | J. T. Howell 8928 | 27 Apr 1932 | Ecuador | Galápagos | Albemarle Island. Villamil | — |
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| Euphorbia nummularia var. glabra B.L.Rob. & Greenm. | J. T. Howell 8903 | 26 Apr 1932 | Ecuador | Galápagos | Charles Island. Black Beach | — |
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| Euphorbia recurva Hook.f. | J. T. Howell 9066 | 03 May 1932 | Ecuador | Galápagos | Indefatigable Island. Academy Bay | — |
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| Acalypha parvula Hook.f. | J. T. Howell 9139 | 07 May 1932 | Ecuador | Galápagos | Indefatigable Island. Trail to Fortuna.… | — |
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| Gaultheria shallon Pursh | J. T. Howell 7771 | 14 Aug 1931 | Canada | British Columbia | Fraser River Canyon at Spuzzum… | — |
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| Vaccinium alaskaense Howell | J. T. Howell 7664 | 01 Aug 1931 | Canada | British Columbia | Mt. Arrowsmith, Vancouver Island | — |
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| Vaccinium ovalifolium Sm. | J. T. Howell 7663 | 01 Aug 1931 | Canada | British Columbia | Mt. Arrowsmith, Vancouver Island | — |
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| Isoetes echinospora Durieu | J. T. Howell 7680 | 04 Aug 1931 | Canada | British Columbia | Cowichan Lake, Vancouver Island. | — |
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| Distichlis stricta (Torr.) Rydb. | J. T. Howell 49764 | 10 Jul 1973 | United States of America | California | Lassen Co. Open coniferous forest… | — |
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| Acalypha parvula Hook.f. | J. T. Howell 9345 | 15 May 1932 | Ecuador | Galápagos | Summit of Floreana Peak, Charles… | — |
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| Tulostoma granulosum Lév. | J. T. Howell s.n. | 25 May 1932 | Ecuador | Galápagos | "Albamarle" [Currently referred to as… | — |
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| Sambucus racemosa L. | J. T. Howell 39814 | 11 Jul 1963 | United States of America | Nevada | Washoe Co. Northeast slope of… | — |
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| Sambucus cerulea Raf. | J. T. Howell 46211 | 14 Sep 1969 | United States of America | California | Mono Co. Leavitt Meadow. | — |
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| Hemizonia greeneana Rose | J. T. Howell 8186 | 16 Nov 1931 | Mexico | Baja California | just back of beach, melpomone… | — |
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| Potentilla glandulosa var. reflexa Greene | J. T. Howell 52013 | 20 Jun 1976 | United States of America | California | Lassen Co. About 5 miles… | — |
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| Potentilla glandulosa var. reflexa Greene | J. T. Howell 52405 | 22 Jun 1977 | United States of America | California | Lassen Co. West of Susanville… | — |
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| Bacopa eisenii (Kellogg) Pennell | J. T. Howell 52595 | 09 Aug 1977 | United States of America | Nevada | Washoe Co. East side of… | — |
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| Bacopa eisenii (Kellogg) Pennell | J. T. Howell 52595 | 09 Aug 1977 | United States of America | Nevada | Washoe Co. East side of… | — |
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| Epipterygium tozeri (Grev.) Lindb. | J. T. Howell s.n. | 01 May 1949 | United States of America | California | Marin Co. Cascade Canyon, Mill… | — |
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| Phacelia hastata Douglas ex Lehm. var. hastata | J. T. Howell 45183 | 12 Sep 1968 | United States of America | Arizona | Coconino Co. Sunset Crater National… | — |
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| Solanum hindsianum Benth. | J. T. Howell 10643 | 10 Aug 1932 | Mexico | — | Lower California. Turtle Cove, Magdalena… | — |
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| Carex straminiformis L.H.Bailey | J. T. Howell 52663 | 10 Aug 1977 | United States of America | Nevada | Washoe Co. The Sierra Nevada.… | — |
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| Astragalus trichopodus var. lonchus (M.E.Jones) Barneby | J. T. Howell 31058 | 17 Mar 1958 | Mexico | Baja California | East of San Quintin near… | — |
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| Astragalus trichopodus var. lonchus (M.E.Jones) Barneby | J. T. Howell 31018 | 15 Mar 1956 | Mexico | Baja California | 4 miles east of El… | — |
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| Eriogonum umbellatum var. ahartii Reveal | J. T. Howell 28160 | 19 Aug 1951 | United States of America | California | Butte Co. Sierra Nevada. Serpentine,… | — |
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| Eriogonum umbellatum var. nevadense Gand. | J. T. Howell 7267 | 06 Jul 1972 | United States of America | California | Nevada Co. Andesite Ridge between… | — |
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| Eriogonum umbellatum var. subaridum S.Stokes | J. T. Howell 40142 | 20 Aug 1963 | United States of America | California | Kern Co. Sierra Nevada. Walker… | — |
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| Eriogonum vimineum Douglas ex Benth. | J. T. Howell 52694 | 11 Aug 1977 | United States of America | California | Plumas Co. Sierra Nevada. Open… | — |
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| Eriogonum vimineum Douglas ex Benth. | J. T. Howell 27541 | 26 Jun 1951 | United States of America | California | Plumas Co. Sierra Nevada. Serpentine,… | — |
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| Arabis pulchra var. gracilis M.E.Jones | J. T. Howell 42304 | 29 May 1967 | United States of America | California | Inyo Co. Sierra Nevada. Rocky… | — |
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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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| Lepidium fremontii S.Watson | J. T. Howell 33565 | 28 May 1958 | United States of America | California | Inyo Co. Sierra Nevada. Bishop… | — |
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| Nama rothrockii A.Gray | J. T. Howell 25264 | 31 Jul 1948 | United States of America | California | Inyo Co. Onion Valley road. | — |
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| Phacelia austromontana J.T.Howell | J. T. Howell 33277 | 24 May 1958 | United States of America | California | Inyo Co. Sierra Nevada. Whitney… | — |
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| Descurainia californica (A.Gray) O.E.Schulz | J. T. Howell 40169 | 20 Aug 1963 | United States of America | California | Inyo Co. Sierra Nevada. Whitney… | — |
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| Draba albertina Greene | J. T. Howell 22817 | 28 Jul 1946 | United States of America | California | Inyo Co. Gem Lake. Rock… | — |
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| Homalothecium nuttallii (Wilson) A.Jaeger | J. T. Howell LFK-H300 | 19 Feb 1950 | United States of America | California | Contra Costa Co. Moraga Ridge. | — | ||||
| Phacelia curvipes Torr. ex S.Watson | J. T. Howell 33309 | 24 May 1958 | United States of America | California | Inyo Co. Sierra Nevada. Whitney… | — |
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| Phacelia curvipes Torr. ex S.Watson | J. T. Howell 42272 | 29 May 1967 | United States of America | California | Inyo Co. Sierra Nevada. One… | — |
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| Phacelia fremontii Torr. | J. T. Howell 33369 | 25 May 1958 | United States of America | California | Inyo Co. Sierra Nevada. Carroll… | — |
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| Phacelia perityloides Coville | J. T. Howell 3974 | 16 Jun 1928 | United States of America | California | Inyo Co. Rocky wall, upper… | — |
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| Phacelia ramosissima var. eremophila (Greene) J.F.Macbr. | J. T. Howell 40229 | 21 Aug 1963 | United States of America | California | Inyo Co. Sierra Nevada. Whitney… | — |
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| Phacelia ramosissima var. latifolia (Torr.) Cronquist | J. T. Howell 3894 | 14 Jun 1928 | United States of America | California | Inyo Co. Surprise Canyon, Panamint… | — |
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| Cryptantha barbigera (A.Gray) Greene | J. T. Howell 33388 | 25 May 1958 | United States of America | California | Inyo Co. Sierra Nevada. Carroll… | — |
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| Cryptantha pterocarya (Torr.) Greene | J. T. Howell 33308 | 24 May 1958 | United States of America | California | Inyo Co. Sierra Nevada. Whitney… | — |
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