Taxon  Report   1200 
Bromus diandrus  Roth
Bromegrass,  Ripgut brome, Ripgut grass
Bromus diandrus
© 2008 Zoya Akulova
CalPhotos: click on a
photo to see it bigger
Bromus diandrus
© 2004 Carol W. Witham
Bromus diandrus
© 1995 Saint Mary's College of California
Bromus diandrus, a monocot, is an annual grass that is not native to California; it was introduced from elsewhere and naturalized in the wild.
The California Invasive Plant Council classifies its potential impact on native ecosystems as moderate   (plant profile / CalWeedMapper).

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Bromus diandrus
© 2009 Neal Kramer
Family: POACEAE  
Genus: Bromus
Communities:
weed, characteristic of disturbed places
Habitat: disturbed [Walker]
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

TJM2: Bromus diandrus var. rigidus
TJM2: Bromus rigidus
More information about  Bromus diandrus
Photos on CalPhotos / Google Images

Photos and ID tips from PlantID.net

UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)

Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (BRDI3)

Original Publication citation (ITIS)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

website references from Google


Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Feb 12, 2016).

The information on this page comes from diverse sources. None of the links are sponsored.