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Montana Field Guide

Montana Field Guides

Hairy Water Fern - Marsilea vestita


Global Rank: G5
State Rank: S3

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






 
General Description
Leaf petioles 1–20 cm long (to 40 cm when floating). Pinnae 3–19 mm long, sparsely pubescent to glabrous. Sporocarps slightly nodding, 3–6 mm long, densely pubescent but glabrous with age; lower tooth ca. 0.5 mm; the upper tooth longer and acute (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC to SK south to Mexico and S. America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 5

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

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



Habitat
Fresh to saline, shallow water of ponds, reservoirs, sloughs; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Hairy Water Fern — Marsilea vestita.  Montana Field Guide.  .  Retrieved on , from