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Montana Field Guide

Montana Field Guides

European Mountain-ash - Sorbus aucuparia

Exotic Species (not native to Montana)

Global Rank: G5
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Tree to 6 m tall. Stems purple, grayish-pilose; buds gray-lanate. Leaves glabrous to strigose with 11 to 15 lanceolate leaflets 2–6 cm long. Inflorescence flat-topped to hemispheric. Flowers: calyx pilose; sepals <1 mm long; petals 4–5 mm long. Pomes red, ca. 10 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Flathead and Missoula counties. Introduced as an ornamental throughout temperate N. America; native to Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Moist open forest near human habitations; valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
European Mountain-ash — Sorbus aucuparia.  Montana Field Guide.  .  Retrieved on , from