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Taxon  Report  
Bromus commutatus  Schrad.
Hairy chess, meadow brome
Bromus commutatus is an annual grasslike herb that is not native to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial

Bloom Period
Genus: Bromus
Family: Poaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Name Status:
Accepted by JEF

Information about  Bromus commutatus from other sources

[gobotany.nativeplanttrust.org] Europe, Asia native, Habitat, Characteristics: Meadow brome is native to Europe and western Asia and widely introduced in North America, where it is considered a noxious weed in some states. It is found in all New England states. Habitat Anthropogenic (man-made or disturbed habitats), meadows and fields Leaf blade width 2 to 4 mm Inflorescence branches the flowers are attached to branches rather than to the main axis of the inflorescence Spikelet length 14 to 30 mm Glume relative length: neither glume is quite as long as all of the florets Awn on glume the glume has no awn One or more florets there is more than one floret per spikelet Lemma awn length 3 to 10 mm Leaf sheath hair type there are hairs on the surface of the leaf sheath, but the hairs do not have blisters at their bases there are no hairs on the surface of the leaf sheath Leaf ligule length 1 to 2.5 mm Anther length 0.7 to 1.7 mm (contributed by Mary Ann Machi)

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/28/2023).