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Related to Cystopteris: fragile fern
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  • noun

Synonyms for Cystopteris

chiefly small perennial rock ferns: bladder ferns

References in periodicals archive ?
trichomanes and Cystopteris fragilis contribute to vegetation plots (Nowak et al.
CYSTOPTERIS {sis-TOP-ter-iss} Bernhardi 1806 * Bladder Ferns * [Greek kystos, bladder, and pteris, fern: young indusia are inflated.
Cystopteris protrusa (Weatherby) Blasdell; Common Fragile Fern, Lowland Bladder Fern; Floodplain forest and north-facing woodland slope; Infrequent; C = 4; BSUH 13230.
Authors Zhongren and Kato include it in Cystopteridaceae with text contrasting it to both Cystopteris and Athyrium.
Cystopteris protrusa (Weatherby) Blasdell; Common Fragile Fern, Lowland Bladder Fern; Successional and old growth woods; Frequent; (#); C = 4; BSUH 12713.
Native species that occur at some of the highest elevations (above 3000 m) include: Asplenium adiantum-nigrum (Aspleniaceae), Cystopteris douglasii (Cystopteridaceae), Pellaea ternifolia (Pteridaceae), and Polystichum haleakalense (Dryopteridaceae).
Cystopteris protrusa (Weatherby) Blasdell: (+); Lowland Bladder-Fern; abundant; mesic woods; BSUH 12104.
Cystopteridaceae (Payer) Shmakov Cystopteris Bernh.
douglassii, Circaea lutetiana, Claytonia virginica, Cystopteris protrusa, Dicentra cucullaria, Elymus hystrix, Erigenia bulbosa, Erythronium americanum, Euonymus obovatus, Eupatorium rugosum, Galium concinnum, Geranium maculatum, Geum canadense, Hydrophyllum appendiculatum, H.
The presence of non-clathrate rhizome scales eliminated Asplenium, but the presence of multicellular hairs similar to those of Cystopteris supported the latter, as did the presence of toothed margins, although Cystopteris fragilis has veins ending in a sinus rather than in a tooth.
Ferns in the mesic woods include Adiantum pedatum, Athyrium pycnocarpon, Botrychium virginianum, Cystopteris protrusa, Dryopteris goldiana, Dryopteris carthusiana, Onoclea sensibilis, and Polystichum acrostichoides (rare).
A paper presenting a molecular phylogeny of Cystopteridaceae (including Cystopteris and Gymnocarpium, two of DMB's favorite ferns), and currently in press at Systematic Botany (Rothfels et al.
2006) consists of four well-supported clades: together, Cystopteris and Gymnocarlaium are sister to the rest of eupolypods II; Hemidictyum is sister to the asplenioid ferns; and Woodsia is sister to a large clade of onocleoid, blechnoid, and athyrioid ferns (Schuettpelz and Pryer, 2007).
This kind of longevity is quite common for species with non-chlorophyllous spores that live in xeric habitats, while mesophilic species, such as Cystopteris protrusa (Weath.