Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Michaux's Wormwood - Artemisia michauxiana

Native Species

Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

External Links






 
General Description
Perennial from a much-branched caudex. Stems simple or branched, ascending to erect, 20–70 cm, glabrous or glandular. Leaves cauline, petiolate, aromatic; blades glabrous above, tomentose beneath, 5–25 mm long, obovate, twice divided; ultimate segments linear-lanceolate, up to 1 mm wide. Inflorescence narrow, racemose; heads erect. Involucre hemispheric, 2.5–3.5 mm high; phyllaries green to brown, glabrous to glandular; receptacle glabrous. Disk flowers 25 to 50, perfect and female, glandular; corolla 1.5–2 mm long; yellow to red. Achenes glabrous, ca. 0.5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC, AB south to CA, NV, UT and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 47

(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
Stony soil of fellfields, outcrops, talus; upper montane to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Haglund, B.M. 1972. Ecological effects of weather modification, Bangtail Ridge, Bridger Range, Montana: relationships of pocket gophers (Thomomys talpoides) to time of snow melt. M.Sc. Thesis. Bozeman, Montana: Montana State University. 26 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Martin, S.A. 1985. Ecology of the Rock Creek bighorn sheep herd, Beartooth Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 152 p.
    • Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
    • Steerey, W. F. 1979. Distribution, range use and population characteristics of Mule Deer associated with the Schafer Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 119 p.
  • Web Search Engines for Articles on "Michaux's Wormwood"
Login Logout
Citation for data on this website:
Michaux's Wormwood — Artemisia michauxiana.  Montana Field Guide.  .  Retrieved on , from