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Montana Field Guide

Montana Field Guides

Common Mullein - Verbascum thapsus

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

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

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General Description
Stems erect, simple, 40–150 cm. Herbage yellow-tomentose with stellate hairs. Basal leaf blades oblanceolate to obovate, 5–40 cm long, entire to shallowly serrate. Stem leaves reduced upward, lanceolate, basally decurrent on the stem. Inflorescence a spike-like panicle. Flowers: calyx 4–10 mm long; corolla yellow, 15–20 mm across; filaments of upper anthers yellow-villous. Capsule 7–10 mm long, stellate-hairy(Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
Non-native; throughout most of North America.

Summary of Observations Submitted for Montana
Number of Observations: 82

(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
Disturbed, often stony soil of grasslands, meadows, open forest, talus slopes, roadsides; plains, valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Common Mullein — Verbascum thapsus.  Montana Field Guide.  .  Retrieved on , from