Quackgrass- Elymus repens
Print
EmailElymus repens (L.) Gould (aka Elytrigia repens, Agropyron repens)
Poaceae (Grass family)
MI Status
Non-native
Life cycle
Erect, rhizomatous perennial.
Leaves
Leaves are rolled in the bud, hairless to sparsely hairy above and up to 8 inches long. Leaf sheaths are hairless except those near the base, which may be sparsely hairy. Clasping, clawlike auricles are present at the collar region.
Ligule
Very short,membranous ligule.
Stems
Erect and clump-forming, up to 4 feet tall. Plants spread by thin, yellowish to white, sharp-tipped rhizomes.
Flowers and fruit
The seedhead is a two- to 10-inch-long, slender, unbranched spike made up of several alternating spikelets arranged edgewise on the stem. Each spikelet contains up to eight straw-colored, lance-shaped seeds. Each seed has a short to prominent awn.
Reproduction
Seeds and rhizomes.
Other Documents in this Series
You Might Also Be Interested In
-
MSU students receive scholarship awards for 2021-22
Published on March 17, 2022
-
Marcus Duck named the 2020 MSU Outstanding Academic Advisor
Published on November 3, 2020
-
MSU students partner with Michigan communities to improve trail access
Published on May 30, 2025
Accessibility Questions:
For questions about accessibility and/or if you need additional accommodations for a specific document, please send an email to ANR Communications & Marketing at anrcommunications@anr.msu.edu.