| Name | Selaginella arenicola subsp. acanthonota (Underwood) R. M. Tryon |
| Authorship | (Underwood) R. M. Tryon |
| Rank | Subspecies |
| Placed in | Selaginella arenicola Underwood |
| GUID | urn:lsid:ipni.org:names:231982-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Selaginella arenicola subsp. acanthonota (Underwood) R. M. Tryon |
| Identification made in | 1952 (1) |