We found 2 definitions of pteridaceae from 2 different sources.
Noun |
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pteridaceae - one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided | ||
family Pteridaceae | ||
fern family families of ferns and fern allies | ||
filicales, order filicales, order polypodiales, polypodiales true (leptosporangiate) ferns | ||
acrostichum, genus acrostichum in some classification systems placed in family Polypodiaceae | ||
actiniopteris, genus actiniopteris terrestrial ferns of tropical Asia and Africa | ||
adiantum, genus adiantum cosmopolitan genus of ferns: maidenhair ferns; in some classification systems placed in family Polypodiaceae or Adiantaceae | ||
anogramma, genus anogramma a genus of ferns belonging to the family Pteridaceae | ||
cheilanthes, genus cheilanthes small evergreen ferns: lipferns; in some classifications placed in family Polypodiaceae or Adiantaceae | ||
coniogramme, genus coniogramme terrestrial ferns of Pacific islands and Asia | ||
cryptogramma, genus cryptogramma sometimes placed in family Polypodiaceae or Cryptogrammataceae | ||
doryopteris, genus doryopteris small to medium tropical tufted ferns; sometimes placed in family Adiantaceae | ||
genus jamesonia, jamesonia xerophytic ferns of South America | ||
genus onychium, onychium small terrestrial ferns of Old World tropics and subtropics: clawed ferns; sometimes placed in family Cryptogrammataceae | ||
genus pellaea, pellaea genus of chiefly small rock-loving ferns; in some classification systems it is placed in the family Polypodiaceae or Adiantaceae | ||
genus pityrogramma, pityrogramma terrestrial tropical ferns having fronds with powdery yellowish or white undersides; sometimes placed in family Polypodiaceae or Adiantaceae |