Lyall's goldenweed - Tonestus lyallii
* (see State Rank Reason below)
MNPS Threat Rank
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.
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Lyall's goldenweed (Tonestus lyallii) Conservation Status Review
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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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
BC, AB south to CA, NV and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.