| Name | Chantransia chalybea var. thermalis Hansgirg |
| Authorship | Hansgirg |
| Rank | Variety |
| Placed in | Chantransia chalybea (Roth) Fries |
| Citation | 1886 Prodr. Algenfl. Böhmen 1: 25, fig. 4 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Chantransia chalybea var. thermalis Hansgirg |
| Identification made in | [no date] (1) |