| Name | Stereocaulon spathuliferum f. pygmaeum (H. Magnusson) I. M. Lamb |
| Authorship | (H. Magnusson) I. M. Lamb |
| Rank | Forma |
| Placed in | Stereocaulon spathuliferum Vainio |
| GUID | urn:lsid:indexfungorum.org:names:354102 |
| Citation | 1977 J. Hattori Bot. Lab. 43: 234 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Stereocaulon spathuliferum f. pygmaeum (H. Magnusson) I. M. Lamb |
| Identification made in | [no date] (2) |