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Montana Field Guide

Montana Field Guides

Kingdevil Hawkweed - Hieracium praealtum
Other Names:  King Devil

Noxious Weed: Priority 2A
Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 0

External Links

General Description
Fibrous-rooted from a short rhizome, often stoloniferous. Stems erect, simple, subscapose, 30–80 cm. Herbage glabrate to sparsely long-hirsute. Leaves mainly basal, short-petiolate; blades oblanceolate, 3–10 cm long, entire. Heads 10 to 30; involucres narrowly campanulate, 6–9 mm high; phyllaries scarious-margined, linear-lanceolate, sparsely stellate-hairy, stipitate-glandular, setose-hirsute. Rays 60 to 80, yellow; ligules 4–6 mm long. Achenes 1–2 mm long; pappus white (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced to northeast and northwest U.S. and adjacent Canada; native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 12

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)



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Citation for data on this website:
Kingdevil Hawkweed — Hieracium praealtum.  Montana Field Guide.  .  Retrieved on , from