| Name | Helianthella castanea Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Helianthella |
| GUID | urn:lsid:ipni.org:names:211942-1 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Helianthella castanea Greene |
| Identification made in | [no date] (2), 1946 (1) |