Contains 6 accepted taxa overall.

Characteristics
Chloris Sw.
FINGERGRASS
Classification
POALES
Chloris
Citation
CHLORIS Swartz, Prodr. 1, 25. 1788.
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TYPE: Chloris cruciata (Linnaeus) Swartz (Agrostis cruciata Linnaeus) Lectotypified by Nash, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 225. 1913.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Chloris barbata SWOLLEN FINGERGRASS Not Native FACU (NWPL)
Chloris cucullata HOODED WINDMILLGRASS Not Native
Chloris elata TALL WINDMILLGRASS; MANYSPIKED FINGERGRASS Native
Chloris gayana RHODESGRASS Not Native FACU (NWPL)
Chloris radiata RADIATE FINGERGRASS Not Native UPL (NWPL)
Chloris virgata FEATHER FINGERGRASS Not Native FACU (NWPL)
[Family identification key]
1.  Lower glume 0.5-0.7 mm long; upper glume 1-1.5 mm long; proximalmost lemma awn 0.3-1.5 mm long
1.  Lower glume 0.7-2.8 mm long; upper glume 1.9-4.3 mm long; proximalmost lemma awn 1.4-15 mm long
2
2.  Second floret 1.4-3.2 mm long
3
2.  Second floret 0.4-1.6 mm long
4
3.  Spikelets with 1 fertile floret and (1)2-4 staminate or sterile florets; third floret longer than subtending rachilla segment
3.  Spikelets with 1 fertile floret and 1(3) sterile florets; third floret absent or shorter than subtending rachilla segment
4.  Spikelets with 1 fertile floret and 1 sterile floret; proximalmost lemma awn 6-13 mm long; second floret 0.4-0.7 mm long
4.  Spikelets with 1 fertile floret and (1)2(3) sterile florets; proximalmost lemma awn 1.4-7.7 mm long; second floret 0.9-1.6 mm long
5
5.  Inflorescence branches 3-8 cm long, generally straight; proximalmost lemma awn 4-7.7 mm long and hairs to 1 mm long
5.  Inflorescence branches (5)8-20 cm long, lax and curvaceous; proximalmost lemma awn 1.4-4.8 mm long and hairs 1-3 mm long
Genus Synonyms
Synonym Full Citation Basionym Type
Agrostomia Agrostomia Cervantes, Naturaleza (Mexico City) 1: 345. 1870. TYPE: Agrostomia mutica Cervantes Lectotypified by Swallen, in Britton, N. Amer. Fl. 17: 589. 1939.
Chlorostis Chlorostis Rafinesque, Princ. Fond. Somiol. 26, 29. 1814. TYPE: = Chloris Swartz 1788.
Pterochloris Pterochloris (A. Camus) A. Camus, Bull. Mus. Hist. Nat. (Paris), ser. 2. 29: 349. 1957. BASIONYM: Chloris Swartz, subg. Pterochloris A. Camus, Bull. Soc. Bot. France 97: 228. 1950. TYPE: Pterochloris humbertiana (A. Camus) A. Camus (Chloris humbertiana A. Camus)