Bromus tectorum

Family:POACEAE
Species:Bromus tectorum Linnaeus
Common Name:Downy Chess; Downy Brome; Downy Cheat
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:**
Category:Vascular
USDA Symbol:**
Plant Notes:Downy Chess is an introduced herbaceous annual in the Grass family (Poaceae). It is native to Europe, southwestern Asia, and northern Africa. In Alabama it can be throughout most of the state. Downy Chess occurs on roadsides, in fields and pastures, along railroads, and in waste areas. It is a winter annual with a fibrous root system. Downy Chess germinates in the autumn and grows through the winter before flowering and dying in the spring. Plants are often branched at the base with multiple erect stems up to 2 feet in height. The stems are green in color, round in cross section, and glabrous or slightly pubescent. The leaves are alternate, linear, pubescent on both surfaces, and with marginal trichomes. The leaves have a basal sheath that encloses the stem and is long pubescent. Flowers are produced in open, drooping panicles. Each panicle contains up to 30 spikelets. Each spikelet is 2-9 flowered. The lemma has a long, straight awn. The fruit is a grain. Downy Chess is an invasive species. It is a significant problem in the western United States where it replaces native vegetation and increases fire frequency and intensity.—A. Diamond
Taxonomic Notes:**
Status:Not Native
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyPOACEAE - Grass family
Genus Bromus
Species Bromus tectorum Linnaeus - Downy Chess; Downy Brome; Downy Cheat

Citation

Citation BROMUS TECTORUM Linnaeus, Sp. Pl. 77. 1753.
Basionym: **
Type: Without data (lectotype: LINN 93.25). Lectotypified by P. M. Smith, Notes Roy. Bot. Gard. Edinburgh 42: 500. 1985.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Anisantha pontica Anisantha pontica K. Koch, Linnaea 21: 394. 1848.  
Anisantha tectorum Anisantha tectorum (Linnaeus) Nevski, Trudy Sredne-Aziatsk. Gosud. Univ., Ser. 8b, Bot. 17: 22. 1934.Bromus tectorum Linnaeus 1753. 
Bromus abortiflorus Bromus abortiflorus Saint-Amans, Fl. Agen. 44. 1821.  
Bromus moeszii Bromus moeszii Penzes, Magyar Bot. Lapok 33: 24, pl. 10. 1934. IRAN
Bromus nutans Bromus nutans Saint-Lager, in Cariot, Etude Fl. 8: 945. 1889.  
Bromus setaceus Bromus setaceus Buckley, Proc. Acad. Nat. Sci. Philadelphia 14: 98. 1862. TEXAS
Bromus tectorum var. glabratus Bromus tectorum Linnaeus, var. glabratus Spenner, Fl. Friburg. 1: 152. 1825. GERMANY
Bromus tectorum var. nudus Bromus tectorum Linnaeus, var. nudus Klett & Richter, Fl. Leipzig 109. 1830. GERMANY
Festuca tectorum Festuca tectorum (Linnaeus) Jessen, Deutschl. Gräser 170. 1863.Bromus tectorum Linnaeus 1753. 
Forasaccus arenaceus Forasaccus arenaceus Bubani, Fl. Pyren. 4: 383. 1901, nom. illegit.Bromus tectorum Linnaeus 1753. 
Genea tectorum Genea tectorum (Linnaeus) Dumortier, Bull. Soc. Roy. Bot. Belgique 7: 67. 1868.Bromus tectorum Linnaeus 1753. 
Schedonorus tectorum Schedonorus tectorum (Linnaeus) Fries, Bot. Not. 1843: 131. 1843.Bromus tectorum Linnaeus 1753. 
Zerna tectorum Zerna tectorum (Linnaeus) Panzer, Denkschr. Königl. Akad. Wiss. München 1813: 297. 1814; (Linnaeus) Lindman, Sv. Fanerogamfl. 101. 1918.Bromus tectorum Linnaeus 1753. 

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; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Autauga, Barbour, Blount, Bullock, Calhoun, Chilton, Clarke, Clay, Colbert, Dallas, DeKalb, Elmore, Etowah, Franklin, Jackson, Jefferson, Lauderdale, Lawrence, Lee, Madison, Marengo, Marshall, Pike, Sumter, Walker

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: AUA, JSU, NY, TROY, UNA, UWAL

Range of years during which specimens were collected: 1972 - 2005

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
JSU107441 Jefferson 28 May 1984 J. P. Barber
435
JSU
Bromus tectorum Linnaeus
JSU107447 Marshall 22 Apr 1992 D. D. Spaulding
1352
JSU
Bromus tectorum Linnaeus
UWAL0017446 Marengo 18 May 2013 England, J. Kevin
4270
UWAL
Bromus tectorum Linnaeus
UNA00061094 Walker 03 May 2003 D. D. Spaulding
11810
UNA
Bromus tectorum L.
JSU107432 Chilton 18 May 1984 R. D. Whetstone
13895
JSU
Bromus tectorum Linnaeus
AUA000015567 Lee 25 APR 1970 JOHNSON, JR., W. C.
AUA
BROMUS TECTORUM L.
TROY000026362 DeKalb 13 May 2002 Daniel D. Spaulding
11279
TROY
Bromus tectorum Linnaeus
JSU107442 Lauderdale 18 May 1967 Harold Moore
84
JSU
Bromus tectorum Linnaeus
JSU107429 Blount 29 May 1974 R. D. Whetstone
2987
JSU
Bromus tectorum Linnaeus
JSU107439 Jackson 29 Apr 1998 K. R. Brodeur
554
JSU
Bromus tectorum Linnaeus
UNA00056578 Sumter 25 May 1972 Michael E. Garrigan
29
UNA
Bromus tectorum L.
JSU107449 Marshall 20 May 1974 R. D. Whetstone
2740
JSU
Bromus tectorum Linnaeus
TROY000045242 Autauga 02 May 2017 Matthew Parker
722
TROY
Bromus tectorum Linnaeus
TROY000026361 Colbert 21 May 2005 Daniel D. Spaulding
12265
TROY
Bromus tectorum Linnaeus
AUA000015566 Lee 14 APR 1960 BANKS, DONALD J.
6
AUA
BROMUS TECTORUM L.
JSU107428 Blount 29 May 1975 T. A. Atkinson
283
JSU
Bromus tectorum Linnaeus
JSU107438 Jackson 01 Jun 1993 R. D. Whetstone
s.n.
JSU
Bromus tectorum Linnaeus
JSU107444 Lawrence 23 May 1974 R. D. Whetstone
2809
JSU
Bromus tectorum Linnaeus
JSU107443 Lawrence 04 May 1996 R. D. Whetstone
17467
JSU
Bromus tectorum Linnaeus
TROY000026363 Walker 03 May 2003 Daniel D. Spaulding
11810
TROY
Bromus tectorum Linnaeus
JSU107430 Calhoun 13 May 1976 G. Wayner
615
JSU
Bromus tectorum Linnaeus
JSU107436 Etowah 28 May 1975 R. D. Whetstone
4070
JSU
Bromus tectorum Linnaeus
UNA00050379 Barbour 09 May 1998 John R. MacDonald
11135
UNA
Bromus tectorum L.
JSU107448 Marshall 20 May 1974 R. D. Whetstone
2740
JSU
Bromus tectorum Linnaeus
NY00664501 Chilton 18 May 1984 R. D. Whetstone
13895
NY
Bromus tectorum Linnaeus
JSU107446 Marshall 10 May 1992 D. D. Spaulding
1556
JSU
Bromus tectorum Linnaeus
TROY000039254 Pike 06 Jun 2014 Alvin R. Diamond
25151
TROY
Bromus tectorum Linnaeus
UWAL0010850 Bullock 10 May 2012 Diamond, Alvin R.
23025
UWAL
Bromus tectorum Linnaeus
UWAL0014379 Lawrence 10 May 2013 England, J. Kevin
4219
UWAL
Bromus tectorum Linnaeus
UWAL0018220 Colbert 20 May 1993 Kral, R.
82338
UWAL
Bromus tectorum L.
UNA00059087 DeKalb 13 May 2002 D. D. Spaulding
11279
UNA
Bromus tectorum L.
UWAL0010741 Pike 01 May 2012 Diamond, Alvin R.
23011
UWAL
Bromus tectorum Linnaeus
UNA00017607 Marshall 29 Apr 1972 R. Kral
46957
UNA
Bromus tectorum L.
TROY000045817 Lawrence 10 May 2013 J. Kevin England
4219
TROY
Bromus tectorum Linnaeus
AUA000015565 Lee 22 APR 1960 BANKS, DONALD J.
32
AUA
BROMUS TECTORUM L.
AUA000015563 Colbert 21 MAY 2005 SPAULDING, DANIEL D.
12265
AUA
BROMUS TECTORUM L.
TROY000038027 Bullock 24 May 2012 Bailee Dykes
766
TROY
Bromus tectorum Linnaeus
JSU107433 Clarke 13 May 1965 Wilbur H. Duncan
22501
JSU
Bromus tectorum Linnaeus
JSU107435 Elmore 27 Apr 1979 R. D. Whetstone
9633
JSU
Bromus tectorum Linnaeus
JSU107437 Franklin 14 May 1993 R. D. Whetstone
16185
JSU
Bromus tectorum Linnaeus
UWAL0016466 Pike 06 Jun 2014 Diamond, Alvin R.
25151
UWAL
Bromus tectorum Linnaeus
AUA000015564 Dallas 19 APR 1952 CAMPBELL, FOY
AUA
BROMUS TECTORUM L.
AUA000015562 Calhoun 16 APR 1960 WATSON, JR., J. RAY
AUA
BROMUS TECTORUM L.
TROY000034755 Pike 01 May 2012 Alvin R. Diamond
23011
TROY
Bromus tectorum Linnaeus
UNA00053820 Blount 26 May 1997 Brian R. Keener
168
UNA
Bromus tectorum L.
JSU107431 Chilton 27 Apr 1979 R. D. Whetstone
9698
JSU
Bromus tectorum Linnaeus
UWAL0014025 Bullock 24 May 2012 Dykes, Bailee
0766
UWAL
Bromus tectorum Linnaeus
JSU107440 Jackson 04 May 1994 D. D. Spaulding
6124
JSU
Bromus tectorum Linnaeus
JSU107434 Clay 21 Apr 1995 J. M. Ballard
5483
JSU
Bromus tectorum Linnaeus
JSU107445 Madison 11 May 1996 D. D. Spaulding
8287
JSU
Bromus tectorum Linnaeus
UWAL0012744 Marengo 12 Jul 2012 England, J. Kevin
3672
UWAL
Bromus tectorum Linnaeus
UNA00065655 Colbert 21 May 2005 D. D. Spaulding
12265
UNA
Bromus tectorum L.
UWAL0010872 Pike 01 May 2012 Diamond, Alvin R.
23011
UWAL
Bromus tectorum Linnaeus
UNA00003913 Jackson 06 Jun 1980 Russell A. Meigs
794
UNA
Bromus tectorum L. var. tectorum
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