Bromus inermis

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusBromus
Species:Bromus inermis Leyss.
Common NameSmooth Brome; Awnless Brome
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Invasive Rank: TN-IPC Established Threat; Natural Area Presence: BFM; Natural Area Presence: GM; Natural Area Presence: GRSM; Natural Area Presence: LCW; Natural Area Presence: PK; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Region of Origin: Europe; Reproductive Phenology: June; Reproductive Phenology: July; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sexuality: monoclinous; Sporangium Arrangement: N/A
C value N/A
StatusNot Native; Invasive; AGCP (UPL), EMP (UPL) (NWPL); G5T5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Bromopsis inermis var. aristata Bromopsis inermis var. aristata (Schur) Tzvelev
Bromus inermis f. aristatus Bromus inermis f. aristatus (Schur) Drobow
Bromus inermis f. bulbiferus Bromus inermis f. bulbiferus Moore
Bromus inermis f. proliferus Bromus inermis f. proliferus Louis-Marie
Bromus inermis f. villosus Bromus inermis f. villosus (Mert. & Koch) Fernald
Bromus inermis var. coloradensis Bromus inermis var. coloradensis (Vasey ex Beal) Kartesz & Gandhi
Bromus inermis var. divaricatus Bromus inermis var. divaricatus
Bromus inermis var. villosus Bromus inermis var. villosus (Mert. & Koch) Beck
Bromus inopinatus Bromus inopinatus C. Brues & B. Brues
Festuca inermis Festuca inermis (Leyss.) DC. & Lam.
Festuca inermis var. inermis Festuca inermis var. inermis (Leyss.) DC. & Lam.
Festuca inermis var. villosa Festuca inermis var. villosa Mert. & Koch
Poa bromoides Poa bromoides (Leyss.) Mérat
Schedonorus inermis Schedonorus inermis (Leyss.) P. Beauv.
Zerna inermis Zerna inermis (Leyss.) Lindm.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Barren (KY), Boone (KY), Bracken (KY), Bullitt (KY), Campbell (KY), Clay (KY), Clinton (KY), Crittenden (KY), Estill (KY), Franklin (KY), Grant (KY), Harlan (KY), Henry (KY), Jefferson (KY), Kenton (KY), Letcher (KY), Lewis (KY), McCracken (KY), McCreary (KY), Madison (KY), Mercer (KY), Powell (KY), Pulaski (KY), Rockcastle (KY), Scott (KY), Shelby (KY), Trigg (KY), Wolfe (KY), Benton (TN), Campbell (TN), Carter (TN), Cheatham (TN), Claiborne (TN), Cocke (TN), Cumberland (TN), Davidson (TN), DeKalb (TN), Fentress (TN), Hamblen (TN), Hamilton (TN), Hancock (TN), Hawkins (TN), Johnson (TN), Knox (TN), Macon (TN), Marion (TN), Morgan (TN), Pickett (TN), Polk (TN), Putnam (TN), Rutherford (TN), Sevier (TN), Sullivan (TN), Sumner (TN), Unicoi (TN), Union (TN), Washington (TN), Williamson (TN), Wilson (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, ETSU, HTTU, KNK, MDKY, MEM, TENN, UCHT

Range of years during which specimens were collected: 1962 - 2019

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100776549 Powell Kentucky 17 Sep 1988 Ross C. Clark
21909
EKY
Bromus inermis
N/A Wolfe Kentucky 15 Jul 1989 Ross C. Clark
22220
EKY
Bromus inermis
N/A Powell Kentucky 05 Jun 1989 Ross C. Clark
22438
EKY
Bromus inermis
31234100120540 Clinton Kentucky 10 Jun 2000 Mark A. Gorton
00-179
EKY
Bromus inermis
31234100120524 Barren Kentucky 13 Jun 1993 Charles J. Lapham
106
EKY
Bromus inermis
N/A Wolfe Kentucky 15 Jul 1989 R.C. Clark
22220
EKY
Bromus inermis
31234100775855 Wolfe Kentucky 15 Jul 1989 Ross C. Clark
22224
EKY
Bromus inermis
BEREA005531 Lewis Kentucky
BEREA
Bromus inermis
ETSU002927 Sullivan Tennessee
ETSU
Bromus inermis
N/A Unicoi Tennessee 02 Jun 2014 Frosty Levy
ETSU
Bromus inermis
N/A Unicoi Tennessee 07 Jun 2014 Frosty Levy
ETSU
Bromus inermis
31973000021063 Kenton Kentucky 22 May 1977 Applegarth, Patrick
161
KNK
Bromus inermis
TENN-V-0035024 Williamson Tennessee
TENN
Bromus inermis
TENN-V-0035008 Cumberland Tennessee
TENN
Bromus inermis
TENN-V-0035009 Fentress Tennessee
TENN
Bromus inermis
N/A Powell Kentucky 17 Sep 1988 Ross C. Clark
21909
EKY
Bromus inermis
31234100120599 Mercer Kentucky 22 Jun 1991 David D. Taylor
15764
EKY
Bromus inermis
N/A Powell Kentucky 17 Sep 1988 Ross C. Clark
21909
EKY
Bromus inermis
N/A Powell Kentucky 05 Jun 1989 Ross C. Clark
22438
EKY
Bromus inermis
31973000021059 Campbell Kentucky 12 Jun 1980 Buddell, George
169
KNK
Bromus inermis
TENN-V-0035017 Polk Tennessee
TENN
Bromus inermis
TENN-V-0035015 Morgan Tennessee
TENN
Bromus inermis
TENN-V-0035018 Rutherford Tennessee
TENN
Bromus inermis
TENN-V-0035020 Sevier Tennessee
TENN
Bromus inermis
TENN-V-0035007 Cocke Tennessee
TENN
Bromus inermis
TENN-V-0035412 Trigg Kentucky
TENN
Bromus inermis
UCHT003052 Cheatham Tennessee
UCHT
Bromus inermis
HTTU011790 Putnam Tennessee
HTTU
Bromus inermis
TENN-V-0244019 Wilson Tennessee
TENN
Bromus inermis
ETSU033664 Tennessee 02 Sep 2016 Frosty Levy
ETSU
Bromus inermis
APSC0084441 Franklin Kentucky
APSC
Bromus inermis
APSC0080406 Campbell Kentucky
APSC
Bromus inermis
APSC0064819 Davidson Tennessee
APSC
Bromus inermis
APSC0034449 Trigg Kentucky
APSC
Bromus inermis
N/A Unicoi Tennessee 01 Jun 2014 Frosty Levy
ETSU
Bromus inermis
N/A Wolfe Kentucky 15 Jul 1989 Ross C. Clark
22224
EKY
Bromus inermis
31234100120649 Union Tennessee 23 Jun 1978 Henry R. DeSelm
306
EKY
Bromus inermis
31234100120573 Madison Kentucky 23 Jun 1978 J. Stuart Lassetter
2983
EKY
Bromus inermis
31234100120615 Trigg Kentucky 07 Jun 1966 William H. Ellis
1450
EKY
Bromus inermis
N/A Carter Tennessee 14 Jun 2012 Frosty Levy
ETSU
Bromus inermis
ETSU002929 Sumner Tennessee
ETSU
Bromus inermis
31973000021061 Bracken Kentucky 13 Jun 1983 Buddell, George
2105
KNK
Bromus inermis
TENN-V-0035022 Union Tennessee
TENN
Bromus inermis
TENN-V-0035443 Trigg Kentucky
TENN
Bromus inermis
TENN-V-0035013 Knox Tennessee
TENN
Bromus inermis
UCHT003053 DeKalb Tennessee
UCHT
Bromus inermis
APSC0064381 Jefferson Kentucky
APSC
Bromus inermis
UCHT035912 Polk Tennessee
UCHT
Bromus inermis
BEREA025909 Madison Kentucky
BEREA
Bromus inermis
31234100120607 Scott Kentucky 02 Jun 1983 Paul Lewis
468
EKY
Bromus inermis
31234100120532 Clinton Kentucky 07 Jul 1999 Mark A. Gorton
99-461
EKY
Bromus inermis
31973000021052 Campbell Kentucky 06 Jun 1996 Geimeier, Jenny
CGE #43
KNK
Bromus inermis
31973000021053 Grant Kentucky 10 Jun 1997 Buddell, George
7962
KNK
Bromus inermis
TENN-V-0035006 Claiborne Tennessee
TENN
Bromus inermis
TENN-V-0035016 Pickett Tennessee
TENN
Bromus inermis
TENN-V-0035021 Sumner Tennessee
TENN
Bromus inermis
UCHT003048 Marion Tennessee
UCHT
Bromus inermis
APSC0080408 Boone Kentucky
APSC
Bromus inermis
HTTU011789 Tennessee
HTTU
Bromus inermis
N/A Hawkins Tennessee 12 Jun 2019 Frosty Levy, Elaine Walker
ETSU
Bromus inermis
MEM008690 McCracken Kentucky 07 Jun 1970 Raymond Athey
990
MEM
Bromus inermis
MEM008434 Crittenden Kentucky 30 May 1974 Raymond Athey
2741
MEM
Bromus inermis
31234100120557 Estill Kentucky 25 May 1988 Richard G. Guetig
618
EKY
Bromus inermis
31234100120565 Letcher Kentucky 26 May 1978 Jeffrey D. Sole
127
EKY
Bromus inermis
31973000021051 Campbell Kentucky 06 Jun 1996 Geimeier, Jenny
CGE #31
KNK
Bromus inermis
31973000021065 Davidson Tennessee 13 May 1973 Gonsoulin, Gene
3083
KNK
Bromus inermis
31973000021060 McCreary Kentucky 23 Jun 1984 Thieret, John
55281
KNK
Bromus inermis
MDKY00004119 Grant Kentucky
MDKY
Bromus inermis
TENN-V-0035019 Sevier Tennessee
TENN
Bromus inermis
TENN-V-0035011 Hamilton Tennessee
TENN
Bromus inermis
UCHT003055 Marion Tennessee
UCHT
Bromus inermis
APSC0086771 Clay Kentucky
APSC
Bromus inermis
APSC0067630 Shelby Kentucky
APSC
Bromus inermis
APSC0076961 Pulaski Kentucky
APSC
Bromus inermis
APSC0086573 Harlan Kentucky
APSC
Bromus inermis
APSC0097646 Bullitt Kentucky
APSC
Bromus inermis
31234100774221 Powell Kentucky 05 Jun 1989 Ross C. Clark
22438
EKY
Bromus inermis
BEREA005530 Rockcastle Kentucky
BEREA
Bromus inermis
BEREA005528 Madison Kentucky
BEREA
Bromus inermis
BEREA005532 Lewis Kentucky
BEREA
Bromus inermis
ETSU002920 Unicoi Tennessee 21 Sep 2010 Frosty Levy
ETSU
Bromus inermis
31973000021049 Campbell Kentucky 06 Jun 1996 Geimeier, Jenny
CGE #30
KNK
Bromus inermis
TENN-V-0035014 Macon Tennessee
TENN
Bromus inermis
TENN-V-0035004 Benton Tennessee
TENN
Bromus inermis
TENN-V-0035023 Washington Tennessee
TENN
Bromus inermis
APSC0034454 Polk Tennessee
APSC
Bromus inermis
APSC0034451 Trigg Kentucky
APSC
Bromus inermis
APSC0097352 Crittenden Kentucky
APSC
Bromus inermis
ETSU026267 Hawkins Tennessee 12 Jun 2019 Frosty Levy, Elaine Walker
19431
ETSU
Bromus inermis
31234100120581 Madison Kentucky 02 Jun 1993 Gary W. Libby
OB-340
EKY
Bromus inermis
31234100775863 Wolfe Kentucky 15 Jul 1989 Ross C. Clark
22220
EKY
Bromus inermis
BEREA005527 Madison Kentucky
BEREA
Bromus inermis
BEREA005533 Lewis Kentucky
BEREA
Bromus inermis
BEREA005529 Rockcastle Kentucky
BEREA
Bromus inermis
TENN-V-0035010 Hamblen Tennessee
TENN
Bromus inermis
APSC0034450 Trigg Kentucky
APSC
Bromus inermis
APSC0097645 Campbell Kentucky
APSC
Bromus inermis
MEM003599 Henry Kentucky 29 Jun 1962 J.L. Gentry Jr.
374
MEM
Bromus inermis
N/A Wolfe Kentucky 15 Jul 1989 R.C. Clark
22224
EKY
Bromus inermis
ETSU002928 Sumner Tennessee
ETSU
Bromus inermis
ETSU002926 Davidson Tennessee
ETSU
Bromus inermis
TENN-V-0035012 Hancock Tennessee
TENN
Bromus inermis
TENN-V-0035005 Campbell Tennessee
TENN
Bromus inermis
APSC0034455 Polk Tennessee
APSC
Bromus inermis
APSC0072556 Franklin Kentucky
APSC
Bromus inermis
UCHT035913 Polk Tennessee
UCHT
Bromus inermis
ETSU027075 Johnson Tennessee 15 Jun 2018 Frosty Levy, Elaine Walker, Sollie Walker
18144
ETSU
Bromus inermis
ETSU027050 Carter Tennessee 06 Jun 2018 Frosty Levy, Elaine Walker, Sollie Walker
18113
ETSU
Bromus inermis
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Plant Photos

Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw
Bromus inermis - Joey Shaw