Filicopsida  search
BTPlantae
 .Pteridophyta
 ..Filicopsida
NTArchaeopteris
 Azolla
 Cladophlebis
 Dicroidium
 Gleicheniaceae
 Pecopteris
 Sphenopteris
 Taeniopteris
UFFilicales
RTCambrian
 Callipteris
 soil sampling
 Juglans
SNIncluding Filicales. Before 1981, Callipteris was included as a narrower term.