| Name | Trigonospermum annuum McVaugh & Laskowski |
| Authorship | McVaugh & Laskowski |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Trigonospermum |
| GUID | urn:lsid:ipni.org:names:256411-1 |
| Citation | 1972 Contr. Univ. Michigan Herb. 9: 500 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Trigonospermum annuum McVaugh & Laskowski |
| Identification made in | 1967 (1), 1983 (1) |