| Name | Sphagnum macrophyllum var. floridanum Austin |
| Authorship | Austin |
| Rank | Variety |
| Placed in | Sphagnum macrophyllum Bernhardi ex Bridel |
| Citation | 1880 Bull. Torrey Bot. Club 7: 15 |
| Holdings | 23 Specimens held in the Harvard University Herbaria identified as Sphagnum macrophyllum var. floridanum Austin |
| Identification made in | [no date] (23) |