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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Cystopteridaceae||View Description||Dichotomous Key|
|Genus: Cystopteris||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Cystopteris fragilis (L.) Bernh.
Habit: Rhizome 2--4 mm diam; scales at tip, lanceolate, +- brown, shining, glabrous, entire. Leaf: 8--30(37) cm; stipe generally < blade, < 1.5 mm wide, glabrous, base straw-colored to red-brown; blade generally 10--24 cm, 3--9 cm wide, lance-ovate, lowest 2--4 pinnae +- < others. Sporangia: indusia generally +- white. Chromosomes: 2n=168.
Ecology: Shady, moist rock crevices, meadows, streamsides; Elevation: 50--4100 m. Bioregional Distribution: KR, NCoR, CaR, n&c SNF, SNH, Teh, SnFrB, SCoR, n ChI (Santa Cruz Island), TR, PR, GB, DMtns; Distribution Outside California: worldwide. Note: Highly polymorphic; Californian plants may represent a species complex. Malformed spores produced by some plants, possibly indicating hybridization, polyploidy.
eFlora Treatment Author: Carl J. Rothfels & Alan R. Smith
Jepson Online Interchange
Previous taxon: Cystopteris
Next taxon: Dennstaedtiaceae
Citation for this treatment: Carl J. Rothfels & Alan R. Smith 2017. Cystopteris fragilis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=22182, accessed on January 20, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 20, 2017.