| Name | Asterella californica (Hampe) Underwood |
| Authorship | (Hampe) Underwood |
| Rank | Species |
| Placed in | Asterella P. Beauvois |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Asterella californica (Hampe) Underwood |
| Identification made in | [no date] (9) |