| Name | Simpson, Donald Ray |
| Date of birth | 1932 |
| ASA Botanist ID | 171137 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fc7a8aac-a920-4a90-9e7b-55c73a19dcdf |
| Variant name | Donald R. Simpson |
| Author name | D. R. Simpson |
| B & P Author Abbrev. | D. R. Simpson |
| Standard/Label Name | D. R. Simpson |
| Full Name | Simpson, Donald Ray |
| Geography Author | United States of America |
| Specialty Author | Spermatophytes |
| Citation as Author | Authors of Plant Names. Royal Botanic Gardens, Kew |
| Member of teams/groups | |
| Collector Teams: | D. R. Simpson & W. Lopez |
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