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Montana Field Guide

Montana Field Guides

Lyall's goldenweed - Tonestus lyallii
Other Names:  Haplopappus lyallii

Image Copyright and Usage Information
Native Species

Global Rank: G5
State Rank: S3S4
(see State Rank Reason below)
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

External Links

State Rank Reason (see State Rank above)
Numerous collections from mountain ranges across western and central Montana. The alpine habitat should preclude most disturbance and threats to the viability of the species in the state.
 
General Description
Plants with slender caudex branches that sometimes root. Stems prostrate to ascending, 2–10 cm, stipitate-glandular. Leaf blades lanceolate to oblanceolate, 1–6 cm long, stipitate-glandular, sessile on the stem. Involucres campanulate, 7–11 mm high; phyllaries lanceolate, stipitate-glandular, often purple. Ray ligules 7–12 mm long. Disk corollas 6–8 mm long. Achenes 2–5 mm long, villous (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
BC, AB south to CA, NV and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 22

(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
Fellfields, talus, rock outcrops, eroding slopes; subalpine, alpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


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.
  • Web Search Engines for Articles on "Lyall's goldenweed"
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Citation for data on this website:
Lyall's goldenweed — Tonestus lyallii.  Montana Field Guide.  .  Retrieved on , from