| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Arctostaphylos roofii Gankin | R. W. Gankin 733 06 Apr 1966 | United States of America. California. Glenn Co. On Hull Road, 11.5 miles NW of its junction with Road 306. Soil gravelly loam of the Maymen Series. | isosyntype | 9761 |  |
| Arctostaphylos roofii Gankin | R. W. Gankin 838 22 Jun 1966 | United States of America. California. Glenn Co. On Hull Road, 11.5 miles NW of its junction with Road 306. Soil gravelly loam of the Maymen Series. | isosyntype | 9762 |  |
