| Name | Hymenostomum castaneum H. A. Crum & Steere |
| Authorship | H. A. Crum & Steere |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hymenostomum |
| Citation | 1958 Amer. Midl. Naturalist 60: 12 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hymenostomum castaneum H. A. Crum & Steere |
| Identification made in | [no date] (1) |