Displaying 51 - 75 out of 2574 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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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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| Eriogonum brachypodum Torr. & A.Gray | J. T. Howell 4064 | 20 Jun 1928 | United States of America | California | Inyo Co. Jail Canyon, Panamint… | — |
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| Puccinia baccharidis Dietel & Holw. | J. T. Howell s.n. | 06 Sep 1928 | United States of America | California | Orange Co. Santa Ana River… | — |
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| Geastrum floriforme Vittad. | J. T. Howell 415 | Feb 1929 | United States of America | California | Santa Ana Mountains, above Glen… | — |
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| Parvisedum pumilum (Benth.) R.T.Clausen | J. T. Howell 4147 | 11 Apr 1929 | United States of America | California | Merced Co. 7½ miles sw.… | — |
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| Salix exigua var. hindsiana (Benth.) Dorn | J. T. Howell 4151 | 12 Apr 1929 | United States of America | California | Merced Co. Bear Creek, Merced. | — |
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| Pilularia americana A.Braun | J. T. Howell 4176 | 20 Apr 1929 | United States of America | California | Merced Co. Flats 2 miles… | — |
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| Isoetes orcuttii A.A.Eaton | J. T. Howell 4175 | 20 Apr 1929 | United States of America | California | Merced Co. Muddy margin of… | — |
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| Juncus xiphioides E.Mey. | J. T. Howell 4326 | 14 Jul 1929 | United States of America | California | ne. base of Mt. Diablo… | — |
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| Juncus xiphioides E.Mey. | J. T. Howell 4327 | 14 Jul 1929 | United States of America | California | NE base of Mt. Diablo… | — |
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| Uromyces intricatus Cooke | J. T. Howell s.n. | 04 Oct 1929 | United States of America | California | Truckee River, below Tahoe City | — |
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| Arctostaphylos manzanita Parry | J. T. Howell 4567 | 23 Mar 1930 | United States of America | California | Lake Co. 4 mi from… | — |
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| Arctostaphylos tomentosa (Pursh) Lindl. | J. T. Howell 4564 | 23 Mar 1930 | United States of America | California | Napa Co. "Crater Country", near… | — |
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| Arctostaphylos glauca Lindl. | J. T. Howell 4603 | 29 Mar 1930 | United States of America | California | San Benito Co. Rocky slope,… | — |
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| Pseudobraunia californica (Lesq.) Broth. | J. T. Howell | 29 Mar 1930 | United States of America | California | San Benito Co. The Pinnacles | — | ||||
| Salix hindsiana Benth. | J. T. Howell 4620 | 30 Mar 1930 | United States of America | California | San Benito Co. The Pinnacles | — |
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| Lepidium oxycarpum Torr. & A.Gray | J. T. Howell 4652 | 04 Apr 1930 | United States of America | California | Alameda Co. 4 miles west… | — |
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| Arctostaphylos tomentosa (Pursh) Lindl. | J. T. Howell 4676 | 06 Apr 1930 | United States of America | California | 26 mi from Livermore on… | — |
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| Parvisedum pumilum (Benth.) R.T.Clausen | J. T. Howell 4705 | 13 Apr 1930 | United States of America | California | Calaveras Co. Sierra foothills, 4.7… | — |
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| Syntrichia ruralis (Hedw.) F.Weber & D.Mohr | J. T. Howell | 13 Apr 1930 | United States of America | California | Tuolumne Co. 1 mile from… | — | ||||
| Phacelia distans Benth. | J. T. Howell 5198 | 25 May 1930 | United States of America | California | Solano Co. Rocky slope at… | — |
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| Arctostaphylos howellii Eastw. | J. T. Howell 5687 | 25 Oct 1930 | United States of America | California | Monterey Co. Canyon of the… | type |
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| Hesperevax sparsiflora (A.Gray) Greene var. sparsiflora | J. T. Howell 6180 | 05 Apr 1931 | United States of America | California | Solano Co. Blue Rock Springs… | — |
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| Cirsium cymosum (Greene) J.T.Howell | J. T. Howell 6479 | 12 May 1931 | United States of America | California | Contra Costa Co. North side… | — |
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| Triteleia laxa Benth. | J. T. Howell 6468 | 12 May 1931 | United States of America | California | Contra Costa Co. Oakland Hills | — |
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