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Montana Field Guide

Montana Field Guides

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


Global Rank: G5
State Rank: S3S4
* (see State Rank Reason below)

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

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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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

Habitat
Fellfields, talus, rock outcrops, eroding slopes; 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:
Lyall's goldenweed — Tonestus lyallii.  Montana Field Guide.  .  Retrieved on , from