Athyriaceae

n.

1.

alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems.

Thesaurus

Noun

1.

Athyriaceae - alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems Dryopteridaceae, family Athyriaceae, family Dryopteridaceae fern family - families of ferns and fern allies class Filicinae, class Filicopsida, Filicinae, Filicopsida - ferns buckler fern, shield fern - any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori Dryopteris, genus Dryopteris - large widespread genus of medium-sized terrestrial ferns; in some classification systems placed in Polypodiaceae Athyrium, genus Athyrium - temperate and tropical lady ferns; in some classifications placed in family Polypodiaceae or in the genus Asplenium Cyrtomium, genus Cyrtomium - small genus of tropical Asiatic greenhouse ferns; in some classifications placed in Polypodiaceae Cystopteris, genus Cystopteris - chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae Deparia, genus Deparia - classification used for 5 species of terrestrial ferns usually placed in other genera Diacalpa, genus Diacalpa - one species: delicate fern of foothills of Himalayas genus Gymnocarpium, Gymnocarpium - oak ferns: in some classification systems included in genus Thelypteris genus Lastreopsis, Lastreopsis - tropical terrestrial shield ferns genus Matteuccia, genus Pteretis, Matteuccia, Pteretis - small genus sometimes included in genus Onoclea; in some classifications both genera are placed in Polypodiaceae genus Olfersia, Olfersia - genus of fern having only one species genus Onoclea, Onoclea - one species: sensitive fern; in some classifications included in Polypodiaceae genus Polybotria, genus Polybotrya, Polybotria, Polybotrya - tropical American ferns; usually terrestrial when young but scandent later genus Polystichum, Polystichum - small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae genus Rumohra, Rumohra - leatherleaf ferns: in some classifications included in genus Polystichum genus Tectaria, Tectaria - terrestrial or epilithic ferns of tropical rain forests genus Woodsia - genus of small to medium-sized usually rock-inhabiting ferns of temperate and cold regions; in some classification systems placed in Polypodiaceae