| Name | Geoglossum glabrum var. americanum Mains |
| Authorship | Mains |
| Rank | Variety |
| Placed in | Geoglossum glabrum Persoon |
| Citation | 1954 Mycologia 46(5): 600 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Geoglossum glabrum var. americanum Mains |
| Identification made in | [no date] (1) |
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