| Name | Trigonocaryum involucratum (Steven) Medwedew |
| Authorship | (Steven) Medwedew |
| Rank | Species |
| Placed in | Trigonocaryum |
| Citation | 1919 Trudy Tiflissk. Bot. Sada 18(2): 376 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Trigonocaryum involucratum (Steven) Medwedew |
| Identification made in | [no date] (3) |