| Name | Gyrophora hirsuta var. grisea (Swartz ex Westring) Th. Fries |
| Authorship | (Swartz ex Westring) Th. Fries |
| Rank | Variety |
| Placed in | Gyrophora hirsuta (Swartz ex Westring) Acharius |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Gyrophora hirsuta var. grisea (Swartz ex Westring) Th. Fries |
| Identification made in | [no date] (1) |
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