Synonym: Doryopteris ludens.
Genus: 4 species.
Name: from the Greek calx, meaning limestone and philus meaning loving, and pteris meanng fern.
Clade: Cheilantoideae;
Pteridaceae.
Region: India, China, southward to Australia.
Habitat: in crevices,in limestone; cling to the rock itself.
TaxonomyFormerly Calciphilopteris were included in the polyphyletic genus Doryopteris. Phylogenetic studies have shown that Calciphilopteris is the most basal clade in the subfamily
Cheilanthoideae..