| Title | North American Species of Astragalus Linnaeus (Leguminosae): a taxonomic revision |
| Abbreviation | N. Amer. Sp. Astragalus |
| Authors | S. L. Welsh |
| Publication Dates | 2007 |
| Place of publication | Provo, Utah |
| Publisher | Brigham Young University |
| HOLLIS | 011262897 |
| ISBN | 0842526625 |
| ISBN | 9780842526623 |
| Remarks | Description: xxxi, 932 p., maps |
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