rye brome USDA PLANTS Symbol: BRSE
U.S. Nativity: Exotic
Habit: Grass or Grasslike
Bromus secalinus L.

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Taxonomic Rank: Liliopsida: Cyperales: Poaceae
Synonym(s): rye brome, bromegrass, cheat, chess, chess brome, ryebrome
Native Range: temp. Asia & Europe (GRIN);

Appearance
Bromus secalinus is an annual grass that can grow from 17.7-39.4 in (45-100 cm) tall. It is native to Africa, temperate Asia, and parts of Europe. It has been introduced to Australia, North America, Hawaii, and South America.
Foliage
The erect central culm is unbranched with 4-8 leaves alternate along the its length. The medium green leaf blades are about 0.3 in (7 mm) across and 9 in (23 cm) long.
Flowers
The flower is an open panicle of spikelets up to 7 in (18 cm) long and 4 in (10 cm) across. The branches of the panicle are either bilateral or droop to one side and are organized along the central axis.
Fruit
The seeds are large grains that are linear-oblongoid in shape.
Ecological Threat
B. secalinus is seen invading disturbed areas such as dry prairies, limestone glades, disturbed grassy meadows, vacant lots, abandoned fields, cropland, areas along railroads, and waste areas. It is weedy and aggressive.

Selected Images from Invasive.orgView All Images at Invasive.org


Plant(s);
Bruce Ackley, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

Stem(s);
Bruce Ackley, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

Seed(s);
Bruce Ackley, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

Seed(s);
Bruce Ackley, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.


Invasive Listing Sources:
Faith Campbell, 1998
Georgia Exotic Pest Plant Council
Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
Native Plant Society of Oregon, 2008
Tennessee Exotic Pest Plant Council