Index / Search / Bromus diandrus ssp. rigidus
§1 Plant
Bromus diandrus Roth ssp. rigidus (Roth) Lainz
vernacular ripgut brome — subspecies · Poaceae
§2Habit & range
Habit and range
- Growth habit
- Graminoid
- Duration
- Annual, Perennial
- Group
- Monocot
- Family
- Poaceae Barnhart
- Genus
- Bromus
Native status, by region
- CAN Canada Introduced
- HI Hawaii Introduced
- L48 Lower 48 States Introduced
County-level range
· 104 counties across 23 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 104 counties across 23 states/territories.
Arizona view state ↗ 8 I ▾
Arkansas view state ↗ 2 I ▾
California view state ↗ 5 I ▾
Colorado view state ↗ 1 I ▾
District of Columbia view state ↗ 1 I ▾
Georgia view state ↗ 2 I ▾
Hawaii view state ↗ 2 I ▾
Idaho view state ↗ 2 I ▾
Kansas view state ↗ 1 I ▾
Louisiana view state ↗ 3 I ▾
Massachusetts view state ↗ 3 I ▾
Missouri view state ↗ 2 I ▾
Nevada view state ↗ 7 I ▾
New Jersey view state ↗ 1 I ▾
New Mexico view state ↗ 5 I ▾
New York view state ↗ 3 I ▾
North Carolina view state ↗ 1 I ▾
Oregon view state ↗ 26 I ▾
- Baker 41001
- Benton 41003
- Clackamas 41005
- Clatsop 41007
- Columbia 41009
- Coos 41011
- Curry 41015
- Douglas 41019
- Gilliam 41021
- Grant 41023
- Hood River 41027
- Jackson 41029
- Jefferson 41031
- Josephine 41033
- Lane 41039
- Lincoln 41041
- Linn 41043
- Marion 41047
- Morrow 41049
- Multnomah 41051
- Polk 41053
- Sherman 41055
- Umatilla 41059
- Wasco 41065
- Washington 41067
- Yamhill 41071
South Carolina view state ↗ 1 I ▾
Texas view state ↗ 6 I ▾
Virginia view state ↗ 3 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/BRDIR ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/2703663 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z