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Montana Field Guide

Montana Field Guides

Sheep Sorrel - Rumex acetosella

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

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

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General Description
Glabrous, dioecious, rhizomatous perennial. Stems simple, erect, 8–50 cm. Leaf blades lanceolate to commonly hastate, 1–6 cm long. Inflorescence a panicle of separate clusters of 5 to 8 flowers. Flowers reddish, unisexual; outer tepals 1 mm long. Fruit ca. 2 mm long; inner tepals ovate without a callosity; the pedicel jointed next to the flower. Achene brown, ca. 1 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
Introduced from Europe into most of N. America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 14

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Relative Density

Recency

 

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



Habitat
Often disturbed soil of grasslands, pastures, open forest, often along trails, roads with introduced weeds; valleys to subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Sheep Sorrel — Rumex acetosella.  Montana Field Guide.  .  Retrieved on , from