Cryptogrammaceae

Cryptogrammaceae
Cryptogramma crispa
Scientific classification
Kingdom:	Plantae
Division:	Pteridophyta
Class:	Pteridopsida
Order:	Pteridales
Family:	Cryptogrammaceae Pic. Serm.
Genera
Coniogramme (20–40 spp.) Cryptogramma (9 spp.) Llavea (monotypic)

Cryptogrammaceae is a small family of ferns, which appears to be somewhat isolated from the rest of the Pteridales. This family forms a natural clade that is the most basal to the order.^[1] Of these, Llavea is the most basal within the clade.

References

1. ^ Eric Schuettpelz, Harald Schneider, Layne Huiet, Michael D. Windham & Kathleen M. Pryer (2007). "A molecular phylogeny of the fern family Pteridaceae: assessing overall relationships and the affinities of previously unsampled genera" (PDF). Molecular Phylogenetics and Evolution 44 (3): 1172–1185. doi:10.1016/j.ympev.2007.04.011. PMID 17570688. http://www.pryerlab.net/publication/fichier1047.pdf.