| Name | Orthotrichum lyellii var. papillosum (Hampe) Sullivant & Lesquereux |
| Authorship | (Hampe) Sullivant & Lesquereux |
| Rank | Variety |
| Placed in | Orthotrichum lyellii Hooker & Taylor |
| Citation | 1864 Musci Bor.-Amer., ed. 2 2: 33 |
| Holdings | 25 Specimens held in the Harvard University Herbaria identified as Orthotrichum lyellii var. papillosum (Hampe) Sullivant & Lesquereux |
| Identification made in | [no date] (25) |
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