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Montana Field Guide

Montana Field Guides

Ross' Avens - Geum rossii

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Native Species

Global Rank: G5
State Rank: S5
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Plants with branched rootstocks, often forming mats. Stems erect or ascending, subscapose, 2–20 cm, pubescent. Leaf blades 2–10 cm long, pubescent, sometimes glandular, narrowly lanceolate, with numerous pinnate, lobed divisions. Inflorescence a 1- to 4-flowered cyme. Flowers erect; hypanthium cup-shaped; sepals erect, green to purple, 3–6 mm long; petals yellow, 5–9 mm long. Achenes 2–4 mm long, pubescent; style 3–4 mm long, glabrous (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

In Montana we have varieties rossii and turbinata (Rydb.) C.L. Hitchc.

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
AK south to AZ, NM, CO; Asia (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 208

(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?
    • Dale, D. 1973. Effects of trail use under forests in the Madison Range, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 96 pp.
    • Hawkins, P.H. 1903. The alpine flora of Montana. M.Sc. Thesis, Bozeman, MT: Montana State University. 24 pp.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • 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.
    • 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.
    • Osmundson, T.W. 2003. Systematics of Rocky Mountain alpine Laccaria (basidiomycota, agaricales, tricholomataceae) and ecology of Beartooth Plateau alpine macromycetes. M.Sc. Thesis. Bozeman, MT: Montana State University. 188 p.
    • Parks, J.C. 1986. Plant materials for use on disturbed alpine areas in Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 57 p.
    • Simanonok, M.P., and L.A. Burkle. 2014. Partitioning interaction turnover among alpine pollination networks: Spatial temporal, and environmental patterns. Ecosphere 5(11):149.
    • Stewart, S.T. 1975. Ecology of the West Rosebud and Stillwater bighorn sheep herds, Beartooth Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 130 p.
  • Web Search Engines for Articles on "Ross' Avens"
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Citation for data on this website:
Ross' Avens — Geum rossii.  Montana Field Guide.  .  Retrieved on , from