| Name | Gymnostomum calcareum f. intermedium Podpera |
| Authorship | Podpera |
| Rank | Forma |
| Placed in | Gymnostomum calcareum Nees & Hornschuch |
| Citation | 1993 Bull. Buffalo Soc. Nat. Sci. 32 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Gymnostomum calcareum f. intermedium Podpera |
| Identification made in | [no date] (1) |