| Name | Thelomma occidentale (Herre) Tibell |
| Authorship | (Herre) Tibell |
| Rank | Species |
| Placed in | Thelomma A. Massalongo |
| Citation | 1976 Bot. Not. 129(3): 237 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Thelomma occidentale (Herre) Tibell |
| Identification made in | [no date] (2), 1975 (4) |