Montana Field Guide

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- Kingdom - Plants - Plantae
  - Division - Flowering Plants - Anthophyta
    - Class - Dicots - Dicotyledoneae
      - Order - Rosales - Rosales
        
        Family - Rose Family - Rosaceae
        
        Species - Ross' Avens - Geum rossii var. rossii

Ross' Avens - Geum rossii var. rossii

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Status Under Review
Native Species

Global Rank: G5T5
State Rank: S1?
(see State Rank Reason below)
C-value:

Agency Status
USFWS:
USFS:
BLM:

External Links

State Rank Reason (see State Rank above)

Reported for the Mission Mountains, Lake County (Hitchcock and Cronquist 1973). More information needed to determine the status of the taxa in the state.

General Description

See species description and "Diagnostic Characters" below.

Diagnostic Characteristics

Calyx usually green or only slightly purplish-tinged, the lobes mostly strongly veined; segments of leaflets mostly 3-6 mm broad, tending to be merely toothed or lobed less than half their length; flowers mostly single and terminal, less commonly 2 or 3 (Hitchcock, 1961, Vasc. Pl. Pacific Northwest, Vol. 3).

Range Comments

A boreal taxon as far south as BC and with reports in Lake County (Missions Mountains) and Ravali County (Lackschewitz 1991).

Observations in Montana Natural Heritage Program Database

Number of Observations: 3

(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)

Stewardship Responsibility

References

Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- 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:
Ross' Avens — Geum rossii var. rossii. Montana Field Guide. Montana Natural Heritage Program. Retrieved on November 21, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PDROS0S0E2