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Ripgut Brome (Bromus rigidus)

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Home « California « Sierra « Bromus « Bromus rigidus
Family: POACEAE
Genus: Bromus
Species: Ripgut Brome (Bromus rigidus)
Alternative Names: Bromus diandrus

Ripgut Brome Species Description

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These plants are from foreign areas (those that occur outside of North America north of Mexico) that have been released intentionally or unintentionally. Plants that have been disseminated or escaped as a result of human activity, and become established somewhere within the United States, Canada or Greenland.

Allergenicity: Ripgut Brome (Bromus rigidus) is a moderate allergen.

Pollination: Occurs in following seasons depending on latitude and elevation: Spring to Summer.

Angiosperm - Flowering Monocot: Plants in this group have one embryonic leave (single cotyledon). This group include the grasses, lilies, orchids and palms.

Grass/Grass-like: Any plant characterized by parallel-veined leaves that arise from nodes in the stem, wrap around it for a distance, and leave, especially those grown as ground cover rather than for grain.

Weed: Any plant growing in cultivated ground to the injury of the crop or desired vegetation, or to the disfigurement of the place; an unsightly, useless, or injurious plant.

Annual: Plants in which the entire life cycle is completed within one growing season.

Perennial: Living for many years.

Herbaceous Stem: Not woody, lacking lignified tissues.

Ripgut Brome Species Usage

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Ripgut Brome Species Location

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The shaded areas on the map indicates where the species has been observed in the United States. Click the map to see a full scale version of these allergy areas.
  - Native, observed in a county
  - Introduced, observed in a county
  - Rarely observed
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