Cystopteris

Thesaurus

Noun

Cystopteris - chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceaegenus Cystopterisfern genus - genera of ferns and fern alliesAthyriaceae, Dryopteridaceae, family Athyriaceae, family Dryopteridaceae - alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systemsbladder fern - any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori

Cystopteris

(bladder fern), a genus of ferns of the family Polypodiaceae. The small plants have two to four pinnate leaves on small, fragile stalks. There are about 15 species distributed in temperate and subtropical belts. Five species occur in the USSR, mainly on cliffs and mountain slopes. The most well-known species is the almost cosmopolitan fragile fern (Cystopteris fragilis), whose young leaves and spores contain hydrocyanic acid. The ferns are not eaten by livestock.

Cystopteris

Related to Cystopteris: fragile fern

noun

Synonyms for Cystopteris

noun chiefly small perennial rock ferns: bladder ferns

Synonyms

genus Cystopteris

Related Words

fern genus
Athyriaceae
Dryopteridaceae
family Athyriaceae
family Dryopteridaceae
bladder fern

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