| Name | Genea arenaria Harkness |
| Authorship | Harkness |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Genea |
| Citation | 1899 Proc. Calif. Acad. Sci. 1: 263 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Genea arenaria Harkness |
| Identification made in | [no date] (6) |