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Montana Field Guide

Montana Field Guides

Lace Fern - Aspidotis densa
Other Names:  Cryptogramma densa

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Status Under Review
Native Species

Global Rank: G5
State Rank: SNR
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Plants with a short, branched rhizome covered with glossy, brown scales. Leaves clustered, dimorphic, 6–20 cm long with long, shiny petioles and lance-shaped to triangular blades. Sterile leaves parsley-like, 2 to 3 times pinnate with oblong pinnules. Fertile leaves longer, 2 to 3 times pinnate with leathery, linear pinnules. Fertile pinnules mucronate with a prominent midrib and pale indusia partly covering the sori from the margins (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
In MT in Lincoln, Flathead, Sanders, Lake and Ravalli counties; BC to CA; UT, WY and disjunct in QC (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 16

(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


References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Lace Fern"
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Citation for data on this website:
Lace Fern — Aspidotis densa.  Montana Field Guide.  .  Retrieved on , from