Displaying 1 - 20 out of 20 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Calylophus drummondianus subsp. berlandieri (Spach) Towner & Raven | T. Rosson 1960 | 20 May 1972 | United States of America | Texas | Hemphill Co. Gene Howe Wild.… | — |
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| Corispermum americanum (Nutt.) Nutt. | T. Rosson 1869 | 28 Sep 1970 | United States of America | Texas | Bailey Co. 4 miles southwest… | — |
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| Cryptantha cinerea (Greene) Cronquist var. cinerea | T. Rosson 914 | 22 May 1967 | United States of America | Texas | Bailey Co. 7 miles south,… | — |
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| Cymopterus montanus Torr. & A.Gray | T. Rosson 1894 | 29 Apr 1972 | United States of America | Texas | Randall Co. Buffalo Lakes Natl.… | — |
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| Datura quercifolia Kunth | T. Rosson 1560 | 05 Sep 1968 | United States of America | Texas | Lamb Co. 0.5 miles west… | — |
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| Diplotaxis muralis (L.) DC. | T. Rosson 1723 | 18 May 1970 | United States of America | Texas | Bailey Co. .5 miles west… | — |
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| Gaura parviflora Douglas ex Lehm. | T. Rosson 1783 | 13 Jun 1970 | United States of America | Texas | Bailey Co. 4 miles east… | — |
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| Heliotropium convolvulaceum (Nutt.) A.Gray | T. Rosson 666 | 20 Aug 1965 | United States of America | Texas | Lamb Co. 3 miles south… | — |
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| Hymenoxys scaposa (DC.) K.F.Parker | T. Rosson 1952 | 06 May 1972 | United States of America | Texas | Bailey Co. Muleshoe Refuge, 20… | — |
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| Lemna minima Thuill. ex P.Beauv. | T. Rosson 2018 | 20 May 1972 | United States of America | Texas | Hemphill Co. Gene Howe Wild.… | — |
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| Penstemon jamesii Benth. | T. Rosson 1953 | 06 May 1972 | United States of America | Texas | Bailey Co. Muleshoe Refuge, 20… | — |
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| Polygonella americana (Fisch. & C.A.Mey.) Small | T. Rosson 1846 | 28 Sep 1970 | United States of America | Texas | Bailey Co. 3 miles south… | — |
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| Pomaria jamesii (Torr. & A.Gray) Walp. | T. Rosson 1979 | 20 May 1972 | United States of America | Texas | Hemphill Co. Gene Howe Wildlife… | — |
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| Populus nigra L. | T. Rosson 1997 | 20 May 1972 | United States of America | Texas | Hemphill Co. along the Canadian… | — |
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| Solidago canadensis var. scabra Torr. & A.Gray | T. Rosson 1696 | 01 Sep 1969 | United States of America | Texas | Bailey Co. 1 mile south… | — |
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| Stillingia sylvatica Garden ex L. | T. Rosson 1959 | 20 May 1972 | United States of America | Texas | Hemphill Co. Gene Howe Wild.… | — |
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| Tamarix gallica L. | T. Rosson 1998 | 20 May 1972 | United States of America | Texas | Hemphill Co. influence along the… | — |
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| Tephrosia virginiana (L.) Pers. | T. Rosson 1985 | 20 May 1972 | United States of America | Texas | Hemphill Co. bottomlands of the… | — |
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| Vitis arizonica Engelm. | T. Rosson 1990 | 20 May 1972 | United States of America | Texas | Hemphill Co. Riparian influence near… | — |
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| Xanthisma texanum DC. | T. Rosson 605 | 26 Jun 1965 | United States of America | Texas | Lamb Co. 2 miles east… | — |
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