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Montana Field Guide

Montana Field Guides

Woodland Horsetail - Equisetum sylvaticum

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Native Species

Global Rank: G5
State Rank: S3S4
(see State Rank Reason below)
C-value: 5


Agency Status
USFWS:
USFS:
BLM:


 

External Links

State Rank Reason (see State Rank above)
Approximately two dozen collections at MONTU from mainly western Montana. Noted as being locally common in the west half of Glacier N.P. in suitable habitat.
 
General Description
Sterile stems annual, 15–70 cm × 2–5 mm with 10 to 18 ridges, green, twice branched, nearly solid. Sheaths green below and medium brown above with teeth often united into a few broad lobes below mid-stem. Fertile stems tan, unbranched in spring, later becoming green and branched. Stobili blunt, 10–30 mm long (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 the northwestern counties and Gallatin and Stillwater counties; circumboreal to WA, MT, IA, VA (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 175

(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 meadows, marshes, ponds, along forested streams; valleys to subalpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


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?
    • Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.
    • 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 "Woodland Horsetail"
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Citation for data on this website:
Woodland Horsetail — Equisetum sylvaticum.  Montana Field Guide.  .  Retrieved on , from