| Name | Tympanis tsugae J. W. Groves |
| Authorship | J. W. Groves |
| Rank | Species |
| Placed in | Tympanis |
| Citation | 1952 Canad. J. Bot. 30: 595 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Tympanis tsugae J. W. Groves |
| Identification made in | [no date] (1), 1949 (1) |