| Scientific Name | Synonym | Common Name |
|---|---|---|
| Athyrium angustum | Athyrium filix-femina ssp. angustum | Northern Lady Fern |
| Athyrium asplenioides | Athyrium filix-femina ssp. asplenioides | Southern Lady Fern |
| Athyrium angustum | Athyrium filix-femina var. angustum | Northern Lady Fern |
| Athyrium asplenioides | Athyrium filix-femina var. asplenioides | Southern Lady Fern |
| Athyrium angustum | Athyrium filix-femina var. michauxii | Northern Lady Fern |
| Athyrium asplenioides | Athyrium filix-femina var. subtripinnatum | Southern Lady Fern |