Blecker, L., Creech, E., Dick, J., Gephart, S., Hefner, M., Kratsch, H., Moe, A., Schultz, B. 2020, Nevada Noxious Weed Field Guide – Ventenata, Extension, University of Nevada, Reno, Field Guide

Stem

Wirelike, 6-28 in. tall, erect and slender

Leaves

Flat, narrow leaves, 0.6-2 in. long; leaves at base of plant; ligules are membranous and 0.04-0.15 in. long

Photo of a hand holding a Ventenata plant

Flower

Relaxed, open panicle, 8-10 in. long with spikelets at the end of spreading branches holding 3 florets 0.6 in. long; at least 1 floret will have a twisted awn 0.75-1 in. long attached to the lemma

Root

Shallow fibrous roots

Other

Grows in open, disturbed areas and along roadsides; can establish on bare, dry soils; known to occur in Elko, Eureka and Washoe counties
Winter annual; high in silica, litter builds up on soil surface, similar to medusahead
Can be grazed early in the season, unpalatable to livestock as seedhead develops

Control

Hand-pulling is effective for small infestations; mowing can prevent seed production, repeated mowing may be required; burning can remove thatch, but it does not control the seedbank
Indaziflam or imazapic preemergence herbicides can be applied in the fall, preferably after the thatch layer is removed; glyphosate or rimsulfuron can be applied to actively growing plants

Learn more about the author(s)

Mike Bindrup

Reyna Mendez

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Nevada Noxious Weed Field Guide – Ventenata