| Name | Stereocaulon tomentosum var. simplex Riddle |
| Authorship | Riddle |
| Rank | Variety |
| Placed in | Stereocaulon tomentosum Th. Fries |
| GUID | urn:lsid:indexfungorum.org:names:486983 |
| Citation | 1910 Bot. Gaz. 50: 298 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Stereocaulon tomentosum var. simplex Riddle |
| Identification made in | [no date] (4) |
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