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Montana Field Guide

Montana Field Guides

Northern Swordfern - Polystichum lonchitis
Other Names:  Northern Hollyfern


Global Rank: G5
State Rank: S4S5

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

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General Description
Leaves erect, 5–60 cm long. Leaf blade nearly linear. Pinnae rarely overlapping, broadly lanceolate to mitten-shaped, 5–30 mm long with spreading-spiny margins. Indusium with jagged margins (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
In MT across the western two-thirds of the state; AK to Greenland south to CA, AZ, CO, WI, and QC (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 2

(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
Wet, rocky slopes, avalanche chutes, cliffs, moist forest; 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:
Northern Swordfern — Polystichum lonchitis.  Montana Field Guide.  .  Retrieved on , from