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Montana Field Guide

Montana Field Guides

Michigan Moonwort - Botrychium michiganense
Other Names:  Botrychium hesperium s.l.

Species of Concern
Native Species

Global Rank: G3
State Rank: S2
(see State Rank Reason below)
CCVI: Less Vulnerable

Agency Status
USFS: Sensitive - Known in Forests (KOOT)


External Links

State Rank Reason (see State Rank above)
This species recently has been split from B. hesperium, although it has not yet been formally published (Donald Farrar, Iowa State Univeristy). Some of the sites for B. hesperium almost certainly belong here. See B. hesperium for additional information on habitat and characteristics which are very similar.

This enity would be included within the concept of B. hesperium as used by the Forest Service on their Sensitive species list.
General Description
We do not yet have descriptive information on this species.  Please try the buttons above to search for information from other sources.

Species Range
Montana Range Range Descriptions


Range Comments
Farrar (unpublished) indicates a relatively continous distribution from eastern WA and BC east to ON and MI and south to WY, SD, MN and WI.

Observations in Montana Natural Heritage Program Database
Number of Observations: 26

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



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

Various mesic habitat, including mesic grasslands and meadows, roadsides and moist forest bottoms.
Predicted Suitable Habitat Model

This species has a Predicted Suitable Habitat Model available.

To learn how these Models were created see

Ecological Systems Associated with this Species

  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Farrar, Donald. 2011. Moonwort (Botrychium) Systematics. Ada Hayden Herbarium. Iowa State University.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 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.
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Citation for data on this website:
Michigan Moonwort — Botrychium michiganense.  Montana Field Guide.  .  Retrieved on , from