| Name | Hansen, Alva |
| First date collected | 1945 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8d66f462-68f1-4feb-89c4-78fc803839a5 |
| Variant name | Hansen, A. |
| Standard/Label Name | A. Hansen |
| Full Name | Hansen, Alva |
| Geography Collector | California, United States of America |
| Specialty Collector | Spermatophytes |
| Citation as Collector | Muhlenbergia filiformis (Thurber ex Watson) Rydb. |
| Member of teams/groups | |
| Collector Teams: | A. A. Beetle, D. E. Beetle & A. Hansen |