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UMass Extension Weed Herbarium
 

Common Name: quackgrass, couchgrass, wheatgrass, devilgrass
Scientific Name: Elytrigia repens (L.) Nevski, syn. Agropyron repens, Elymus repens
Family Name: Poaceae (Graminae) - Grass Family

Identification Notes:

life cycle - perennial, reproducing by seed and rhizomes

culms - upright, smooth, conspicuously jointed, clump forming growth habit 1, growth habit 2

leaves - blades flat, rough, usually hairy above, smooth below, blueish green, sharp-pointed, constriction near tip, rolled in bud; auricles present; ligule membranous, short, toothed; sheaths open, hairy, round auricles, leafblade constriction

seedheads - spike, narrow, flat seedheads

other - rhizomes yellowish-white, ring of roots at nodes; wheat-like scent when crushed or bruised rhizomes

Images:

Elytrigia repens thumbnail 1 Elytrigia repens thumbnail 2 Elytrigia repens thumbnail 3
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Elytrigia repens thumbnail 4 Elytrigia repens thumbnail 5 Elytrigia repens thumbnail 6
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