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Montana Field Guide

Montana Field Guides

Meadow Hawkweed - Hieracium caespitosum
Other Names:  Hieracium pratense

Noxious Weed: Priority 2A
Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

External Links






State Rank Reason (see State Rank above)
Part of the Meadow Hawkweed Complex
 
General Description
Fibrous-rooted from a short rhizome, sometimes short-stoloniferous. Stems erect, simple, subscapose, 20–80 cm. Herbage long-hirsute, stellate-hairy, stipitate-glandular, sparsely on leaves, densely on stems. Leaves mainly basal, short-petiolate; blades lanceolate to oblanceolate, 3–15 cm long, entire to obscurely denticulate. Heads 5 to 50; involucres campanulate, 6–8 mm high; phyllaries linear-lanceolate, scarious-margined, stellate-hairy, hirsute, densely black setose-glandular. Rays 25 to 50, yellow; ligules 3–10 mm long. Achenes ca. 1.5 mm long; pappus white (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
Introduced to eastern and northwest, temperate N. America; native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
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

References
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Citation for data on this website:
Meadow Hawkweed — Hieracium caespitosum.  Montana Field Guide.  .  Retrieved on , from