Contains 6 accepted taxa overall.

Characteristics
Bromus L.
BROME
Classification
POALES
Bromus
Citation
BROMUS Linnaeus, Sp. Pl. 76. 1753.
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TYPE: Bromus secalinus Linnaeus Lectotypified by Nash, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 274. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Bromus catharticus RESCUEGRASS Not Native
Bromus commutatus HAIRY CHESS; MEADOW BROME Not Native
Bromus japonicus JAPANESE BROME Not Native FACU (NWPL)
Bromus pubescens CANADA BROME; HAIRY WOODLAND BROME Native FACU (NWPL)
Bromus secalinus RYE BROME Not Native
Bromus tectorum DOWNY BROME; CHEATGRASS Not Native
Identification Key
1.  Spkelets strongly laterally compressed; lower glume with 5-7(9) veins; lemma strongly keeled, awns absent or to 3.5 mm long; leaf sheath densely hairy
1.  Spikelets terete to slightly compressed; lower glume with 1-5 veins; lemma rounded, the awns absent or 1-13 mm long; leaf sheath hairy or glabrous
2
2.  Lower leaf sheaths glabrous or glabrate; lemmas 6.5-8.5(10) mm long
2.  Lower leaf sheaths uniformly hairy; lemmas 7-12 mm long
3.  Lower glume with 1 vein
4
3.  Lower glume with 3-5 veins
5
4.  Perennial; lemma awns (3)4-7(8) mm long, arising <1.5 mm below lemma tip
4.  Annual; lemma awns 10-18 mm long, arising 1.5 mm or more below lemma tip
5.  Lemma 8-12 mm long, 1.7-2.6 mm wide, awns 3-10 mm long, straight, arising <1.5 mm below lemma tip
5.  Lemma 7-9 mm long, 1.2-2.2 mm wide, awns 8-13 mm long, divergent to erect, arising >1.5 mm below lemma tip
Genus Synonyms
Synonym Full Citation Basionym Type
Anisantha Anisantha K. Koch, Linnaea 21: 394. 1848. TYPE: Anisantha pontica K. Koch
Avenaria Avenaria Heister ex Fabricius, Enum. 206. 1759. TYPE: = Bromus Linnaeus 1753.
Bromopsis Bromopsis (Dumortier) Fourreau, Ann. Soc. Linn. Lyon, ser. 2. 17: 187. 1869. BASIONYM: Bromus Linnaeus, sect. Bromopsis Dumortier, Observ. Gramin. Belg. 117. 1824. TYPE: Bromopsis asper (Murray) Fourreau (Bromus asper Murray) Lectotypified by Holub, Folia Geobot. Phytotax. 8: 159. 1973.
Ceratochloa Ceratochloa de Candolle & Palisot de Beauvois, in Palisot de Beauvois, Ess. Agrostogr. 75, 158. 1812. TYPE: Ceratochloa festucoides Palisot de Beauvois, nom. illegit. (Festuca unioloides Willdenow; Ceratochloa unioloides (Willdenow) de Candolle)
Forasaccus Forasaccus Bubani, Fl. Pyren. 4: 379. 1901. TYPE: Bromus Linnaeus 1753.
Genea Genea (Dumortier) Dumortier, Bull. Soc. Roy. Bot. Belgique 7: 67. 1868, non Vittadini 1831. BASIONYM: Bromus Linnaeus, sect. Genea Dumortier, Observ. Gram. Belg. 116. 1824. TYPE: Non designatus.
Libertia Libertia Lejeune, Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 12: 755, 757. 1825, non Dumortier 1822, nec Sprengel 1824. TYPE: Libertia arduennensis Lejeune, nom. illegit. (Calotheca bromoidea Lejeune)
Michelaria Michelaria Dumortier, Observ. Gram. Belg. 77. 1823. TYPE: Michelaria bromoides Dumortier
Nevskiella Nevskiella Krecztowicz & Vvedensky, Trudy Sredne-Aziatsk. Gosud. Univ., Ser. 8B, Bot. 17: 15, 22. 1934. TYPE: Nevskiella gracillima (Bunge) Krecztowicz & Vvedensky (Bromus gracillimus Bunge)
Serrafalcus Serrafalcus Parlatore, Rar. Pl. Sicilia 2: 14. 1840. TYPE: Serrafalcus racemosus (Linnaeus) Parlatore (Bromus racemosus Linnaeus) Lectotypified by Hitchcock, U.S.D.A. Bull. (1915-1923) 772: 24. 1920.
Stenofestuca Stenofestuca (Honda) Nakai, J. Jap. Bot. 25: 6. 1950. BASIONYM: Festuca Linnaeus, subg. Stenofestuca Honda, Monogr. Poaceae 54. 1930. TYPE: Stenofestuca pauciflora (Thunberg) Nakai (Festuca pauciflora Nakai)
Triniusa Triniusa Steudel, Syn. Pl. Glumac. 1: 328. 1854 ("1855"). TYPE: Non designatus.
Trisetobromus Trisetobromus Nevski, Trudy Sredne-Aziatsk. Gosud. Univ., Ser. 8B, Bot. 17: 15. 1934. TYPE: Trisetobromus hirtus (Trinius) Nevski (Trisetum hirtum Trinius)