| Name | Lobelia cardinalis subsp. graminea (Lamarck) McVaugh |
| Authorship | (Lamarck) McVaugh |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Lobelia cardinalis Linnaeus |
| GUID | urn:lsid:ipni.org:names:142121-2 |
| Holdings | 73 Specimens held in the Harvard University Herbaria identified as Lobelia cardinalis subsp. graminea (Lamarck) McVaugh |
| Identification made in | [no date] (68), 1939 (1), 1940 (3), 1980 (1) |