Pteridaceae is a family of ferns in the order Polypodiales, including some 1150 known species in ca 45 genera, divided over five subfamilies. The family includes four groups of genera that are sometim
Cryptogrammoideae
…Cryptogrammoideae is a subfamily of ferns in the family Pteridaceae. The subfamily contains three genera and about 23 species. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), Cryptogrammoideae is one…
Starr 051122 5326 Pityrogramma austroamericana
Adiantum lunulatum
Curtis's botanical magazine, Argyrochosma nivea var. tenera