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Montana Field Guides

Aromatic Pussytoes - Antennaria aromatica


Global Rank: G4
State Rank: S4
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

External Links






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

    Score0-1 - Moderate to Large: Population size is imprecisely known but is believed to be >10,000 individuals.

    Range Extent

    Score2 - Regional or State Endemic or Small Montana Range: Generally restricted to an area <100,000 sq. miles (equivalent to 2/3 the size of Montana or less) or Montana contributes 50% or more of the species’ range or populations OR limited to 2-3 Sub-basins in Montana.

    Area of Occupancy

    Score0 - High: Occurs in >25 Subwatersheds (6th Code HUC’s).

    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.

    Threats

    Score0 - Low: Impacts, if any, to the species are expected to be minor or insignificant (affecting <10% of populations) in severity, scope and immediacy.

    Intrinsic Vulnerability

    Score0-1 - Low to Moderate Vulnerability.

    Raw Conservation Status Score

    Score 3 to 5 total points scored out of a possible 16.

 
General Description
Stoloniferous, mat-forming from a branched caudex. Stems ascending to erect, 2–10 cm. Herbage glandular, aromatic. Basal leaves spatulate, 5–12 mm long, 1-nerved. Stem leaves linear, 3–15 mm long. Inflorescence corymbiform with 2 to 5 heads. Involucre: female 5–8 mm high; male 4–5 mm high. Phyllaries brown. Corolla female 3–4 mm long; male 2–3 mm long. Pappus 3–6 mm long. Achenes 1–2 mm long, pappilose (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Reports from elsewhere in northwest North America have largely proven to be false.


Summary of Observations Submitted for Montana
Number of Observations: 30

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

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