| Name | Orthotrichum pulchellum var. columbicum (Mitten) Grout |
| Authorship | (Mitten) Grout |
| Rank | Variety |
| Placed in | Orthotrichum pulchellum Brunton |
| Citation | 1935 Moss Fl. N. Amer. 2: 130 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Orthotrichum pulchellum var. columbicum (Mitten) Grout |
| Identification made in | [no date] (2) |
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