| Name | Erythronium americanum f. castaneum L. B. Smith |
| Authorship | L. B. Smith |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Erythronium americanum Ker Gawler |
| GUID | urn:lsid:ipni.org:names:96807-2 |
| Citation | 1929 Rhodora 31: 36 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Erythronium americanum f. castaneum L. B. Smith |
| Identification made in | [no date] (1) |