| Name | Thamnidium |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Thamnidiaceae |
| Contains | Thamnidium sp. Thamnidium willeyi Tuckerman |
| Name | Thamnidium |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Thamnidiaceae |
| Contains | Thamnidium sp. Thamnidium willeyi Tuckerman |