| Name | Orthotrichum alpestre var. occidentale (James) Grout |
| Authorship | (James) Grout |
| Rank | Variety |
| Placed in | Orthotrichum alpestre Hornschuch ex Bruch & Schimper |
| Citation | 1935 Moss Fl. N. Amer. 2: 124. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Orthotrichum alpestre var. occidentale (James) Grout |
| Identification made in | [no date] (1) |
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