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Montana Field Guide

Montana Field Guides

Alpine Pussytoes - Antennaria alpina


Global Rank: G5
State Rank: S4
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 9

External Links






State Rank Reason (see State Rank above)
See rank details.
  • Details on Status Ranking and Review
    Alpine Pussytoes (Antennaria alpina) Conservation Status Review
    Review Date = 09/26/2014
    View State Conservation Rank Criteria
    Population Size

    Score1 - Moderate: Generally 10,000-100,000 individuals.

    CommentEstimated.

    Range Extent

    Score1 - Peripheral, Disjunct or Sporadic Distribution in MT: Widespread species that is peripheral, disjunct or sporadically distributed within MT such that it occurs in <5% of the state (<7,500 sq. miles or the combined area of Beaverhead and Ravalli Counties) or is restricted to 4-5 sub-basins.

    Area of Occupancy

    Score0-1 - Moderate to High. Occurs in >10 Subwatersheds (6th Code HUC’s), though the species' distribution is not sufficiently documented to place it within one class.

    Environmental Specificity

    Score1 - Moderate: Species is restricted to a specific habitat that is more widely distributed or to several restricted habitats and is typically dependent upon relatively unaltered, good-quality habitat (C Values of 5-7).

    Trends

    ScoreNA - Rank factor not assessed.

    CommentTrends unknown, though populations are likely stable or experiencing only minor declines.

    Threats

    Score0-1 - Low to Medium.

    Intrinsic Vulnerability

    Score0-1 - Low to Moderate Vulnerability.

    Raw Conservation Status Score

    Score 3 to 6 total points scored out of a possible 16.

 
General Description
Sparsely stoloniferous. Stems erect, 4–12 cm. Basal leaves spatulate to oblanceolate, 5–12 mm long, 1-nerved, usually less hairy above. Stem leaves linear, 5–20 mm long, flagged. Inflorescence corymbiform with 3 to 6 heads; male plants absent. Involucre: female 4–7 mm high. Phyllaries dark brown to black. Corolla female 3–5 mm long. Pappus 3–6 mm long. Achenes 1–2 mm long, papillose (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumpolar south to WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 14

(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
Moist turf, meadows on cool slopes, often where snow lies late; upper subalpine, alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Alpine Pussytoes — Antennaria alpina.  Montana Field Guide.  .  Retrieved on , from