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Montana Field Guide

Montana Field Guides

Tall woolly-heads - Psilocarphus elatior

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Native Species

Global Rank: G4
State Rank: SU
(see State Rank Reason below)
C-value: 3


Agency Status
USFWS:
USFS:
BLM:


 

External Links






State Rank Reason (see State Rank above)
Likely introduced into Montana, though native to other parts of the Pacific Northwest. Species is adventive and appears to favor areas with soil disturbance.
 
General Description
Similar to P. brevissimus. Leaves linear to oblanceolate, 10–35 mm long. Heads 6–8 mm high; receptacle scales, 2–4 mm long. Achenes cylindric, terete, 1–2 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
Very difficult to distinguish from other members of the genus

Range Comments
BC south to CA, ID and MT. Collected in Lincoln County (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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)



Habitat
Vernally moist areas, particularly roadsides and other disturbed habitats in western Montana.


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?
    • 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:
Tall woolly-heads — Psilocarphus elatior.  Montana Field Guide.  .  Retrieved on , from