Displaying 1 - 25 out of 76 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Abronia umbellata Lam. | H. A. Walker 1822 | 08 Aug 1909 | United States of America | California | Monterey Co. Near Del Monte… | — |
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| Acer macrophyllum Pursh | H. A. Walker 1903 | 02 Apr 1910 | United States of America | California | Marin Co. | — |
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| Acer macrophyllum Pursh | H. A. Walker 2358 | 11 Jun 1911 | United States of America | California | Yosemite Trail to Vernal Falls | — |
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| Acer negundo var. californicum (Torr. & A.Gray) Wesm. | H. A. Walker 1922 | 02 Apr 1910 | United States of America | California | Marin Co. | — |
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| Agoseris hirsuta (Hook.) Greene | H. A. Walker 1703 | 31 May 1909 | United States of America | California | Marin Co. Tiburon, on dry… | — |
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| Alnus incana subsp. tenuifolia (Nutt.) Breitung | H. A. Walker 2051 | 15 Jun 1910 | United States of America | California | Bank of Truckee River. Lake… | — |
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| Arbutus menziesii Pursh | H. A. Walker 1901 | 02 Apr 1910 | United States of America | California | Marin Co. Sarkspur. | — |
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| Arctostaphylos nummularia A.Gray | H. A. Walker 1883 | 05 Mar 1910 | United States of America | California | Mt. Tamalpais. | — |
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| Arnica discoidea Benth. | H. A. Walker 2362 | 11 Jun 1911 | United States of America | California | Yosemite Valley, near Vernal Falls. | — |
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| Astragalus nuttallii (Torr. & A.Gray) J.T.Howell var. nuttallii | H. A. Walker 1783 | 26 Jul 1909 | United States of America | California | San Francisco | — |
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| Astragalus nuttallii (Torr. & A.Gray) J.T.Howell var. nuttallii | H. A. Walker 1817 | 08 Aug 1909 | United States of America | California | Pacific Grove | — |
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| Astragalus nuttallii (Torr. & A.Gray) J.T.Howell var. nuttallii | H. A. Walker 1777 | 26 Jul 1909 | United States of America | California | Lands End, San Francisco | — |
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| Astragalus nuttallii var. virgatus (A.Gray) Barneby | H. A. Walker 1777 | 26 Jul 1909 | United States of America | California | Lands End, San Francisco | — |
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| Astragalus nuttallii var. virgatus (A.Gray) Barneby | H. A. Walker 1777 | 26 Jul 1909 | United States of America | California | Lands End, San Francisco | — |
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| Bromus carinatus Hook. & Arn. | H. A. Walker 2550 | 17 Jun 1911 | United States of America | California | Yosemite Valley. | — |
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| Camissonia cheiranthifolia (Hornem. ex Spreng.) Raim. | H. A. Walker 1803 | 02 Aug 1969 | United States of America | California | San Francisco Co. | — |
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| Carex vesicaria L. | H. A. Walker 2368 | 11 Jun 1911 | United States of America | California | Yosemite Valley. Towards Mirror Lake. | — |
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| Chaenactis rubricaulis Rydb. | H. A. Walker 176 | 22 Jun 1910 | United States of America | California | Placer Co. Deer Park, in… | isotype |
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| Chaenactis rubricaulis Rydb. | H. A. Walker 176 | 22 Jun 1910 | United States of America | California | Placer Co. Deer Park, in… | isotype |
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| Chorizanthe pungens Benth. | H. A. Walker 2494 | 27 Jun 1911 | United States of America | California | San Francisco Co. Lake Merced… | — |
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| Cirsium brevistylum Cronquist | H. A. Walker 107 | 26 May 1911 | United States of America | California | In collibus Berkeley Hills. | — |
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| Cirsium californicum A.Gray | H. A. Walker 2462 | 18 Jun 1911 | United States of America | California | El Portal | — |
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| Cirsium callilepis (Greene) Jeps. | H. A. Walker 2211 | 17 Jul 1910 | United States of America | California | Marin Co. Lagunitas | — |
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| Cirsium edule Nutt. | H. A. Walker 2201 | 10 Jul 1910 | United States of America | California | Marin Co. Mill Valley | — |
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| Cirsium occidentale (Nutt.) Jeps. | H. A. Walker 108 | 30 May 1911 | United States of America | California | In arenosis prope urbem,, San… | — |
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