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Montana Field Guide

Montana Field Guides

Brittle Bladder Fern - Cystopteris fragilis


Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

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General Description
Leaves loosely clustered, glabrous or slightly glandular, 4–35 cm long, petiole shorter to slightly longer than the blade. Leaf blades narrowly elliptic to lanceolate, twice pinnate below. Pinnules deeply lobed with toothed margins. Indusium without glandular hairs (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
In MT nearly state-wide; cosmopolitan south to CA, NM, and NE (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 97

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Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Dry to wet, shallow or stony soil, rock crevices on open slopes, forests, woodlands; all elevations (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Brittle Bladder Fern — Cystopteris fragilis.  Montana Field Guide.  .  Retrieved on , from