| Name | Hedeoma costatum A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hedeoma |
| Contains | Hedeoma costatum var. pilchella (Greene) R. S. Irving |
| Citation | 1878 Syn. Fl. N. Amer. 2(1): 363 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Hedeoma costatum A. Gray |
| Identification made in | [no date] (3) |
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