Pteridaceae - ț̢
A plant family of the order Polypodiales, class Filicopsida, division Pteridophyta (FERNS).
Synonyms :
Pteridines - ț̢
Compounds based on pyrazino[2,3-d]pyrimidine which is a pyrimidine fused to a pyrazine, containing four NITROGEN atoms.
Synonyms : Pteridinones
Pteridium - ț̢
A plant genus of the family DENNSTAEDTIACEAE. Members contain ptaquiloside, braxin A1, and braxin B. The name is similar to brake fern (PTERIS).