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Montana Field Guide

Montana Field Guides

European Cornsalad - Valerianella locusta
Other Names:  Lewiston Cornsalad, Common Cornsalad, Field Salad, Lamb's Lettuce

Non-native Species

Global Rank: G5
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Taprooted annual. Stems erect, 10–40 cm, dichotomously branched, sparsely scabrous. Basal leaves petiolate, oblong, entire; blades 1–3 cm long, withering at flowering. Stem leaves glabrous, oblong to lanceolate, weakly dentate, 1–5 cm long. Inflorescence hemispheric clusters, 7–18 mm wide, terminating the branches. Flowers perfect; calyx absent; corolla white, campanulate, short-spurred, 1–2 mm long, glabrous; lobes ca. as long as the tube; stigma 3-lobed. Achene compressed-ovoid, winged, 2–3 mm long, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Known from Lincoln County. Introduced to eastern and northwest U.S.; 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: 1

(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:
European Cornsalad — Valerianella locusta.  Montana Field Guide.  .  Retrieved on , from