| Name | Stereocaulon tennesseense var. nigrofastigiatum I. M. Lamb |
| Authorship | I. M. Lamb |
| Rank | Variety |
| Placed in | Stereocaulon tennesseense H. Magnusson |
| Citation | 1977 J. Hattori Bot. Lab. 43: 236 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Stereocaulon tennesseense var. nigrofastigiatum I. M. Lamb |
| Identification made in | [no date] (8) |
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