Displaying 1 - 25 out of 9200 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Penstemon campanulatus subsp. chihuahuensis Straw | N. D. Atwood 22923 | 15 Jul 1997 | Mexico | Chihuahua | 3 miles south of Ciudad… | — | 772929 |
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| Penstemon campanulatus subsp. chihuahuensis Straw | N. D. Atwood 22858 | 12 Jul 1997 | Mexico | Chihuahua | 13 miles southwest of Hot… | — | 772928 |
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| Penstemon | N. D. Atwood 22940 | 15 Jul 1997 | Mexico | Chihuahua | 3 miles west of Aguas… | — | 773524 |
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| Gutierrezia microcephala (DC.) A.Gray | N. D. Atwood 18893 | 27 Dec 1993 | Mexico | Baja California Sur | Mulege. 4 mi N of… | — | 422008 |
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| Marina divaricata (Benth.) Barneby | N. D. Atwood 18925 | 30 Dec 1993 | Mexico | Baja California | Baja California Sur. ca. 5… | — | 01307023 |
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| Arctostaphylos pungens Kunth | N. D. Atwood 21621 | 05 Mar 1997 | Mexico | Chihuahua | 23 km up Tinja Wash… | — | 1875204 |
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| Erigeron divergens var. divergens | N. D. Atwood 21605 | 05 Mar 1997 | Mexico | Chihuahua | 3.7 km east of Colonia… | — | 2088035 |
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| Comarostaphylis polifolia (Kunth) Zucc. ex Klotzsch | N. D. Atwood 23081 | 16 Jul 1997 | Mexico | Chihuahua | 4 mi SW of El… | — | 2524858 |
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| Machaeranthera juncea (Greene) Shinners | N. D. Atwood 19082 | 05 Jan 1994 | Mexico | Baja California | 17 miles north of Rosarito… | — | 3069744 |
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| Euphorbia heterophylla var. graminifolia (Chapm.) Chapm. | N. D. Atwood 23057 | 16 Jul 1997 | Mexico | Chihuahua | 1 mi. e of Pinos… | — | 4021277 |
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| Argythamnia serrata (Torr.) Müll.Arg. | N. D. Atwood 20727 | 20 Feb 1996 | Mexico | Baja California | 1.6 mi N of Jesus… | — | 3932629 |
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| Senna wislizeni (A.Gray) H.S.Irwin & Barneby | N. D. Atwood 22778 | 8 Jul 1997 | Mexico | Chihuahua | Casas Grandes Mun. 1 mi… | — | 554652 |
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| Omphalodes aliena Hemsl. | N. D. Atwood 2102 | 23 Mar 1970 | Mexico | Coahuila | 124 kilm (78 mi) north… | — | 04204929 |
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| Myriopteris lindheimeri (Hook.) J.Sm. | N. D. Atwood 21622 | 05 Mar 1997 | Mexico | Chihuahua | 23 km. up tinaja wash… | — | 3500642 |
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| Agave shawii Engelm. | N. D. Atwood 20657 | 18 Feb 1996 | Mexico | Baja California | Baja California del Norte, 13… | — | 3879212 |
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| Solanum citrullifolium var. knoblochii Whalen | N. D. Atwood 22884 | 13 Jul 1997 | Mexico | Chihuahua | ¾ mi S. of Mata… | — | 00750814 |
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| Grindelia robusta Nutt. | N. D. Atwood 18975 | 30 Dec 1993 | Mexico | Baja California Sur | La Paz Mun. 12 km… | — | 367807 |
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| Omphalodes aliena Hemsl. | N. D. Atwood 2090 | 22 Mar 1970 | Mexico | Nuevo León | Ca 19 mi west of… | — | 04204937 |
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| Astragalus allochrous A.Gray | N. D. Atwood 21592 | 04 Mar 1997 | Mexico | Chihuahua | 43 mi. sw of Palomas… | — | 01267524 |
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| Dalea formosa Torr. | N. D. Atwood 21588 | 04 Mar 1997 | Mexico | Chihuahua | 43 mi. sw of Palomas… | — | 01279114 |
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| Astragalus emoryanus (Rydb.) Cory | N. D. Atwood 2053 | 22 Mar 1970 | Mexico | Nuevo León | Ca. 34 mi south of… | — | 01267663 |
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| Astragalus vaccarum A.Gray | N. D. Atwood 22908 | 15 Jul 1997 | Mexico | Chihuahua | 2 mi NE of Zaragoza… | — | 01268485 |
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| Astragalus filipes Torr. ex A.Gray | N. D. Atwood 18885 | 27 Dec 1993 | Mexico | Baja California | 4 miles north of Rancho… | — | 01267741 |
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| Astragalus hartmanii Rydb. | N. D. Atwood 21625 | 05 Apr 1997 | Mexico | Chihuahua | Juarez River (Piedras Verdes) 0.5… | — | 01267871 |
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| Astragalus hartmanii Rydb. | N. D. Atwood 21630 | 05 Apr 1997 | Mexico | Chihuahua | Juarez River (Piedras Verdes) 1.5… | — | 01267870 |
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