| Name | Callithamnion rupicola f. pygmaea Collins |
| Authorship | Collins |
| Rank | Forma |
| Placed in | Callithamnion rupicola C. L. Anderson |
| Citation | 1911 1797 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Callithamnion rupicola f. pygmaea Collins |
| Identification made in | [no date] (1) |
Copyright © 2013 The President and Fellows of Harvard College | Accessibility