| Name | Racomitrium heterostichum f. gracilescens Bruch & Schimper |
| Authorship | Bruch & Schimper |
| Rank | Forma |
| Placed in | Racomitrium heterostichum (Hedwig) Bridel |
| Citation | 1845 Bryol. Eur. 3: 145 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Racomitrium heterostichum f. gracilescens Bruch & Schimper |
| Identification made in | [no date] (10) |
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