| Name | Cladonia stygia (Fries) Ruoss |
| Authorship | (Fries) Ruoss |
| Rank | Species |
| Placed in | Cladonia P. Browne |
| GUID | urn:lsid:indexfungorum.org:names:104113 |
| Citation | 1985 Bot. Helvet. 95(2): 241 |
| Holdings | 53 Specimens held in the Harvard University Herbaria identified as Cladonia stygia (Fries) Ruoss |
| Identification made in | [no date] (40), 2001 (1), 2010 (7), 2013 (4), 2018 (1) |
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