smooth brome

(Bromus inermis)

Conservation Status
smooth brome
  IUCN Red List

not listed


N4? - Apparently Secure

SNA - Not applicable


not listed

Weed Status

Smooth brome is listed as an invasive terrestrial plant by the Minnesota Department of Natural Resources. However, it is not currently regulated in Minnesota.

Wetland Indicator Status
  Great Plains

UPL - Obligate upland


FACU - Facultative upland

  Northcentral & Northeast

UPL - Obligate upland






36 to 48


Similar Species


Roadsides, pastures, disturbed sites.




Early to late June


Pests and Diseases






Distribution Map



2, 3, 4, 5, 7, 22, 28, 29, 30.




Native to Europe and Asia. Introduced and naturalized.




Very common

  Kingdom Plantae (green algae and land plants)  
  Subkingdom Viridiplantae (green plants)  
  Infrakingdom Streptophyta (land plants and green algae)  
  Superdivision Embryophyta (land plants)  
  Division Tracheophyta (vascular plants)  
  Subdivision Spermatophytina (seed plants)  
  Class Liliopsida (monocots)  


Poales (grasses, sedges, cattails, and allies)  


Poaceae (grasses)  
  No Rank BOP clade  
  Subfamily Pooideae  
  Supertribe Triticodae  
  Tribe Bromeae  


Bromus (bromes)  
  Section Bromopsis  



Bromopsis inermis

Bromopsis inermis var. aristata

Bromus inermis var. aristatus

Bromus inermis var. aristatus

Bromus inermis var. aristatus

Bromus inermis var. aristatus

Bromus inermis f. aristatus

Bromus inermis f. aristatus

Bromus inermis f. bulbiferus

Bromus inermis var. divaricatus

Bromus inermis ssp. inermis

Bromus inermis ssp. inermis var. divaricatus

Bromus inermis ssp. inermis var. inermis

Bromus inermis var. inermis

Bromus inermis f. proliferus

Bromus inermis var. villosus

Bromus inermis f. villosus

Bromus inermis f. villosus

Bromus inopinatus

Festuca inermis

Festuca inermis var. inermis

Festuca inermis var. villosa

Forasaccus inermis

Poa bromoides

Schedonorus inermis

Zerna inermis


Common Names


awnless brome


Austrian brome

Hungarian brome

Russian brome

smooth brome











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    smooth brome      


    smooth brome      






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Other Videos
  Difference in types of forage Bromes at the University of Kentucky

Uploaded on May 30, 2011

Watch as we look at the stark differences between types of Bromes! We'll look ta Meadow Brome, Smooth Brome, Alaskan Brome, Mountain Brome, and Prairie Brome. This plot has been in for three winters and this is the third harvest year. I really like the MacBeth Meadow Brome! I think you will too.

  How to do a Smooth Brome Grass Renovation Project

Published on Nov 17, 2013

Jason Tronbak, Conservation and Food Plot Specialist and Certified Wildlife Biologist, of Millborn Seeds, talks about the steps and benefits of a Smooth Brome Grass Restoration project.

Hi this is Jason Tronbak, the Conservation and Food Plot Specialist and Certified Wildlife Biologist for Millborn Seeds. I'm out here in a Brome Renovation Project we are doing. I just want to show you the initial steps and the first six months of growth we have on our native planting.

We started with a monoculture of brome. We had the guy hay it off. We actually sprayed it a couple times with RoundUp. And the last time he sprayed with RoundUp, we added Plateau at 4 ounces an acre. Plateau is a herbicide we use to establish native grasses.

In this mix we happened to use only grasses because he was worried a thistle problem he has in here. So he didn't want to add any wildflowers at this time. We used the common native grasses in this mix. There's some big bluestem, some switchgrass, some side oats, some western wheatgrass, there's a little bit of little bluestem...and there's some indian grass in this mix. Kind of your common six way native grass mix.

I will point out some of the main grasses here in a second. I just wanted to show you the first six months of growth we have here. It's pretty typical. You can kind of see behind me the first year of growth of native grasses going to sod. Not extremely ideal conditions. But you can grow the grass out. You got a really good stand for the first year. Again, just wanted to show you the initial steps in the growth of native grasses...and what you can expect the first year when you're changing a monoculture of brome to a native warm season grass.

Just wanted again to point out some of the main grasses we have. One of the main grasses that gets used in about every grass planting we do is Big Bluestem. Big Bluestem when it's fully mature will probably reach about four to six feet tall. This is about thirty percent of the mix.

The next grass we have in here is switchgrass. Another great warm season grass. When this grass is fully mature it will probably reach a height of about four to five feet tall. These two are about half the mix - big blue and switchgrass.

Other grasses we had in the mix was also a side oats grama. This is a short native grass. Being a max height of about two to three foot. But a really stiff stemmed, good short grass to use in native mixes.

Another grass we used was western wheatgrass. This is a cool season grass so it means that it will green up early in the year...kind of go dormant in the summer...then green up again here in the Fall.


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Agassiz Dunes SNA

Antelope Valley SNA

Avon Hills Forest SNA, North Unit

Baker Park Reserve

Belgium Prairie

Bertram Chain of Lakes Regional Park

Blanket Flower Prairie SNA

Blazing Star Prairie

Blazing Star Prairie Addition Preserve, South Unit

Blue Mounds State Park

Bur Oak WMA

Cambria WMA

Carpenter St. Croix Valley Nature Center

Carver Highlands WMA, South Unit

Charles A. Lindbergh State Park

Cherry Grove Blind Valley SNA

Chippewa Prairie

Clear Lake SNA

Cottonwood River Prairie SNA

Crosby Farm Regional Park

Crow-Hassan Park Reserve

Crystal Spring SNA

Des Moines River SNA

Dry Sand WMA

Edward Velishek Memorial WMA

Falls Creek SNA

Felton Prairie SNA, Bicentennial Unit

Felton WMA

Foxhome Prairie

Frontenac State Park

Hastings Sand Coulee SNA

Hemlock Ravine SNA

Hole-in-the-Mountain Prairie

Hyland Lake Park Reserve

Hythecker Prairie SNA

Iron Horse Prairie SNA

Iron Springs Bog SNA

Itasca State Park

Jay Cooke State Park

Jensen Memorial WMA

John Murtaugh Memorial WMA

John Peter Hoffman Spring Brook Valley WMA

Joseph A. Tauer Prairie SNA

Kasota Prairie

Kasota Prairie SNA

Kellogg Weaver Dunes SNA, Kellogg Weaver Unit

Lake Alexander Woods SNA, South Unit

Lake Carlos State Park

Lake Louise State Park

Lake Maria State Park

Langhei Prairie SNA

Lebanon Hills Regional Park

Leif Mountain

Lester Lake SNA

Lost Valley Prairie SNA

Margherita Preserve-Audubon Prairie

Miller Prairie, West Unit

Minnesota Valley NWR, Rapids Lake Unit

Mississippi River County Park

Mound Spring Prairie SNA, North Unit

Mound Spring Prairie SNA, South Unit

Ney Nature Center

Northern Tallgrass Prairie NWR, Hoffman Unit

Northern Tallgrass Prairie NWR, Pavia Unit

Northern Tallgrass Prairie NWR, Rengstorf Unit

Northern Tallgrass Prairie NWR, Spieker Unit

Northern Tallgrass Prairie NWR, Touch the Sky Prairie Unit

Oronoco Prairie SNA

Otter Tail Prairie SNA

Oxbow Park & Zollman Zoo

Pankratz Memorial Prairie, North Unit

Pembina Trail Preserve SNA, Pembina Trail Unit

Phelps Lake WMA

Pilot Knob

Pine Bend Bluffs SNA

Pipestone National Monument

Prairie Creek WMA, Koester Prairie Unit

Prairie Smoke Dunes SNA

Racine Prairie SNA

Red Rock Prairie

Rice Lake Savanna SNA

River Warren Outcrops SNA

Robert Ney Memorial Park Reserve

Rock Ridge Prairie SNA

Rockville County Park

Rushford Sand Barrens SNA

St. Croix Savanna SNA

Sand Prairie Wildlife Management and Environmental Education Area

Savage Fen SNA

Savanna Portage State Park

Schoolcraft State Park

Sedan Brook Prairie SNA

Seven Sisters Prairie

Seven Springs WMA

Shooting Star Prairie SNA

Springbrook Nature Center

Staffanson Prairie

Swedes Forest SNA

Thompson County Park

Thorson Prairie WMA

Tiedemann WMA

Town Hall Prairie

Tribute WMA

Twin Valley Prairie Addition

Twin Valley Prairie SNA

Tympanuchus Prairie

Vermillion Highlands Research Recreation and WMA

Vermillion River WMA

Whitetail Woods Regional Park

Whitewater State Park

Wood-Rill SNA

Woodbury WMA





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