Presents a study of the phylogenetic relationships among 20 taxa of the fern genus in this paper, entitled "Phylogenetic analysis of Asplenium subgenus Ceterach (Pteridophyta: Aspleniaceae) based on plastid and nuclear ribosomal ITS DNA sequences.".
Information on the distinguishing features of the two families of this vascular plant.
Presents access to images of member species.
Information on the distinguishing characteristics of this plant group.
Information on the five species of this plant group identified at Hilton Pond Center for Piedmont Natural History. With access to images.
Provides access to a collection of images of this plant group.
Offers various images of this plant group.
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