Displaying 1 - 50 out of 4149 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Eriogonum trichopes Torr. | M. J. Williams 83 631 | 22 Jun 1983 | United States of America | Arizona | Coconino Co. Near I-15, exit… | — |
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| Layia glandulosa (Hook.) Hook. & Arn. | M. J. Williams 83-15-3 | 14 May 1983 | United States of America | Arizona | Coconino Co. Elbow Canyon | — |
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| Acamptopappus sphaerocephalus (Harv. & A.Gray) A.Gray | M. J. Williams 83-15-2 | 14 May 1983 | United States of America | Arizona | Coconino Co. Elbow Canyon | — |
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| Phacelia curvipes Torr. ex S.Watson | M. J. Williams 83-14-2 | 14 May 1983 | United States of America | Arizona | Coconino Co. Jeep road down… | — |
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| Astragalus amphioxys var. modestus Barneby | M. J. Williams 83115 | 14 May 1983 | United States of America | Arizona | Coconino Co. Mokaac Pass between… | — |
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| Astragalus ensiformis M.E.Jones var. ensiformis | M. J. Williams 83-11-3 | 14 May 1983 | United States of America | Arizona | Coconino Co. Mokaac Pass between… | — |
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| Pediomelum mephiticum (S.Watson) Rydb. | M. J. Williams 83-11-1 | 14 May 1983 | United States of America | Arizona | Coconino Co. Mokaac Pass between… | — |
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| Eriogonum reniforme Torr. & Frém. | M. J. Williams 79-24-1 | 13 Apr 1979 | United States of America | Arizona | Mohave Co. Sand hill N… | — |
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| Ranunculus uncinatus D.Don ex G.Don | M. J. Williams 84793 | 30 Jun 1984 | United States of America | California | Modoc Co. 5.7 miles west… | — |
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| Ranunculus uncinatus D.Don ex G.Don | M. J. Williams 84803 | 30 Jun 1984 | United States of America | California | Modoc Co. Seepage area near… | — |
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| Ranunculus uncinatus D.Don ex G.Don | M. J. Williams 84 808 | 30 Jun 1984 | United States of America | California | Modoc Co. Seepage area near… | — |
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| Astragalus andersonii A.Gray | M. J. Williams 74-L-83 | 04 Aug 1974 | United States of America | California | Lassen Co. About 2 miles… | — |
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| Astragalus andersonii A.Gray | M. J. Williams 78482 | 14 May 1978 | United States of America | California | Lassen Co. 2.8 miles south… | — |
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| Eriogonum nummulare M.E.Jones | M. J. Williams 77 104 | 30 Aug 1977 | United States of America | California | Mono Co. Near Hwy. 31,… | — |
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| Penstemon azureus Benth. var. azureus | M. J. Williams 77 483 | 26 Jul 1977 | United States of America | California | Sierra Co. Independence Lake | — |
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| Penstemon azureus Benth. var. azureus | M. J. Williams 86636 | 19 Jun 1985 | United States of America | California | Nevada Co. 2 road miles… | — |
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| Penstemon azureus Benth. var. azureus | M. J. Williams 85 622 | 13 Jul 1985 | United States of America | California | Placer Co. Near the beginning… | — |
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| Eriogonum sphaerocephalum Douglas ex Benth. | M. J. Williams 83 1532 | 13 Sep 1983 | United States of America | California | Modoc Co. 1.6 miles beyond… | — |
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| Penstemon gracilentus A.Gray | M. J. Williams 83 1331 | 07 Aug 1983 | United States of America | California | Sierra Co. Verdi Ridge, above… | — |
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| Penstemon scapoides D.D.Keck | M. J. Williams 76 681 | 04 Jul 1976 | United States of America | California | Inyo Co. White Mountains, near… | — |
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| Carduus nutans L. | M. J. Williams 74-S-53 | 17 Aug 1974 | United States of America | California | Sierra Co. Verdi Ridge Road,… | — |
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| Eriogonum sphaerocephalum var. halimioides (Gand.) S.Stokes | M. J. Williams 83 1166 | 29 Jul 1983 | United States of America | California | Modoc Co. 1.1 mile North… | — |
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| Viola nuttallii Pursh | M. J. Williams 86 392 | 14 May 1986 | United States of America | California | Lassen Co. 1.5 rd mi… | — |
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| Astragalus casei A.Gray | M. J. Williams 80-205-1 | 12 Jul 1980 | United States of America | California | Mono Co. About 1/4 mile… | — |
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| Sphaeralcea munroana (Douglas ex Lindl.) Spach ex A.Gray | M. J. Williams 802541 | 26 Jul 1980 | United States of America | California | Inyo Co. Hwy 168, near… | — |
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| Polanisia dodecandra var. trachysperma (Torr. & A.Gray) Iltis | M. J. Williams 831501 | 13 Sep 1983 | United States of America | California | Modoc Co. Near Highway 299,… | — |
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| Astragalus filipes Torr. ex A.Gray | M. J. Williams 83-125-1 | 31 Jul 1983 | United States of America | California | Lassen Co. Ash Valley road,… | — |
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| Descurainia incisa var. viscosa (Rydb.) N.H.Holmgren | M. J. Williams 84-80-5 | 30 Jun 1984 | United States of America | California | Modoc Co. Seepage area near… | — |
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| Ribes viscosissimum Pursh | M. J. Williams 84-71-3 | 29 Jun 1984 | United States of America | California | Modoc Co. Lily Lake, west… | — |
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| Keckiella breviflora (Lindl.) Straw var. breviflora | M. J. Williams 84 651 | 24 Jun 1984 | United States of America | California | Placer Co. 0.3 mile in… | — |
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| Keckiella breviflora (Lindl.) Straw var. breviflora | M. J. Williams 86632 | 19 Jun 1986 | United States of America | California | Nevada Co. 2 road miles… | — |
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| Penstemon | M. J. Williams 86 711 | 06 Aug 1986 | United States of America | California | Nevada Co. Near Donner Summit… | — |
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| Brassica napus L. | M. J. Williams 88-21-1 | 28 May 1988 | United States of America | California | Modoc Co. Crowder Flat road,… | — |
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| Ribes montigenum McClatchie | M. J. Williams 84712 | 29 Jun 1984 | United States of America | California | Modoc Co. Lily Lake, west… | — |
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| Eriogonum umbellatum var. nevadense Gand. | M. J. Williams 84876 | 01 Jul 1984 | United States of America | California | Modoc Co. Northwest of Alturas,… | — |
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| Penstemon roezlii Regel | M. J. Williams 84 681 | 28 Jun 1984 | United States of America | California | Modoc Co. Warner Mountains, Stowe… | — |
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| Abronia turbinata Torr. ex S.Watson | M. J. Williams 77 781 | 17 Aug 1977 | United States of America | California | Mono Co. Near Hwy. 395,… | — |
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| Penstemon janishiae N.H.Holmgren | M. J. Williams 88 242 | 28 May 1988 | United States of America | California | Modoc Co. Grade up to… | — |
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| Eriogonum strictum var. anserinum (Greene) S.Stokes ex R.J.Davis | M. J. Williams 88269 | 30 May 1988 | United States of America | California | Modoc Co. Jess Valley, east… | — |
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| Thelypodium crispum Greene ex Payson | M. J. Williams 80 2041 | 12 Jul 1980 | United States of America | California | Mono Co. Ca 1/2 mi… | — |
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| Penstemon floridus Brandegee var. floridus | M. J. Williams 76681 | 04 Jul 1976 | United States of America | California | Inyo Co. Collected on Westgard… | — |
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| Penstemon rostriflorus Kellogg | M. J. Williams 83 1412 | 27 Aug 1983 | United States of America | California | Mono Co. Road leading into… | — |
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| Eriogonum baileyi S.Watson | M. J. Williams 86782 | 26 Aug 1986 | United States of America | California | Mono Co. Panum Crater. S… | — |
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| Thelypodium flexuosum B.L.Rob. | M. J. Williams 86 231 | 12 May 1986 | United States of America | California | Lassen Co. Smoke Creek Rd,… | — |
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| Eriogonum nudum var. pubiflorum Benth. | M. J. Williams 84 761 | 30 Jun 1984 | United States of America | California | Modoc Co. Cedar Pass Road,… | — |
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| Eriogonum nudum var. pubiflorum Benth. | M. J. Williams 831151 | 29 Jul 1983 | United States of America | California | Modoc Co. Stowe Reservoir Road,… | — |
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| Draba quadricostata Rollins | M. J. Williams 79-86-1 | 21 Jun 1979 | United States of America | California | Mono Co. Near Masonic Upper… | — |
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| Myosurus apetalus Gay | M. J. Williams 86383 | 14 May 1986 | United States of America | California | Lassen Co. Tuledad Canyon Road,… | — |
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| Lepidium latifolium L. | M. J. Williams 84-89-1 | 01 Jul 1984 | United States of America | California | Modoc Co. Northwest of Alturas,… | — |
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| Astragalus curvicarpus (A.Heller) J.F.Macbr. var. curvicarpus | M. J. Williams 84-74-1 | 29 Jun 1984 | United States of America | California | Modoc Co. 4.8 miles in… | — |
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