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Cystopteris fragilis
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Brittle Bladderfern
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Cystopteris fragilis
  

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About Brittle Bladderfern (Cystopteris fragilis) Cystopteris fragilis is a species of fern known by the common names brittle bladderfern and common fragile fern. It can be found worldwide, generally in shady, moist areas. The leaves are up to 30 or 40 centimeters long and are borne on fleshy petioles. Each leaf is divided into many pairs of leaflets, each of which is subdivided into lobed segments. The underside of the leaf has many rounded sori containing the sporangia.
Plant Description
Plant Type
Fern

Native Status
Native

Natural Setting
Site Type
moist rock crevices, meadows, banks, streamsides

Sun
Shade, Part Shade

Elevation ?
19' - 13424'

Annual Precip. ?
3.0" - 131.3"

Summer Precip. ?
0.15" - 4.42"

Coldest Month ?
18.8° F - 56.4° F

Hottest Month ?
39.1° F - 87.7° F

Humidity ?
0.09 vpd - 37.63 vpd

Sunset Zones ?
1, 2, 3, 4*, 5*, 6*, 7, 14, 15*, 16*, 17*, 18, 19, 20, 21, 22, 23, 24*

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Common Fragile Fern


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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