Cystopteris


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Related to Cystopteris: fragile fern
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Noun1.Cystopteris - chiefly small perennial rock ferns: bladder fernsCystopteris - chiefly small perennial rock ferns: bladder ferns; in some classifications placed in Polypodiaceae
fern genus - genera of ferns and fern allies
Athyriaceae, 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 systems
bladder fern - any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori
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References in periodicals archive ?
H x Presl Cystopteridaceae Cystopteris fragilis (L.) H x x x Bernh.
Una vez reubicados los generos Cystopteris y Gymnocarpium en la familia Cystopteridaceae, la familia Athyriaceae queda con los generos siguientes:
Diagnostic taxa: Acer obtusatum, Cystopteris fragilis, Ilex aquifolium, Lonicera etrusca, Polystichum setiferum, Primula acaulis subsp.
0.027 0.28 0.31 Cystopteris protrusa 0.074 0.14 0.21 Danthonia spicata 0.014 0.14 0.15 Deparia acrostichoides 0.064 0.21 0.27 Dioscorea villosa 0.098 0.21 0.31 Diphylleia cymosa 1.972 0.84 2.81 Dryopteris intermedia 1.479 1.12 2.60 Dryopteris marginalis 0.024 0.07 0.09 Eurybia divaricata 2.935 4.12 7.06 Eutrochium purpureum 0.513 0.21 0.72 Eutrochium steelei 0.051 0.07 0.12 Festuca subverticillata 0.027 0.28 0.31 Galium triflorum 0.520 1.12 1.64 Helianthus microcephalus 0.007 0.07 0.08 Houstonia purpurea var.
Revision of Cystopteris (Cystopteridaceae) from South Cone and Brazil
BP-E HER TECTARIACEAE Ctenitis equestris (Kunze) Ching BP-E HER WOODSIACEAE Cystopteris fragilis (L.) Bernh.
La division Pteridophyta estuvo representada por 6 familias (Anexo 2), siendo las Pteridaceae, las que presentaron la mayor cantidad de generos: Pellaea, Argyrochosma, Cheylanthes y Eriosorus, seguidas por las Dryopteridaceae: Cystopteris, Polystichum y Woodsia, ambas representan el 66.6 % del total de pteridofitas (Figura 3).
Leaf stalk (petiole) essentially lacking scales (may have a few near base); indusia hood-like: Cystopteris