Contains 4 accepted taxa overall.

Characteristics
Luziola Juss.
WATERGRASS
Classification
POALES
Luziola
Citation
LUZIOLA Jussieu, Gen. Pl. 33. 1789.
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TYPE: Luziola peruviana J. F. Gmelin
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Luziola bahiensis BRAZILIAN WATERGRASS Native OBL (NWPL)
Luziola fluitans SOUTHERN WATERGRASS Native OBL (NWPL) OBL (DEP)
Luziola peruviana PERUVIAN WATERGRASS Not Native OBL (NWPL)
Luziola subintegra TROPICAL AMERICAN WATERGRASS Not Native Y
Identification Key
1.  Culm weak, prostrate or immersed; leaf blades floating or immersed, 1.5-5(8) cm long, the tip rounded to subacute; inflorescences 0.5-2 cm long, 2-5 spikelets, the pistillate one nearly concealed with only the stigma exserted
1.  Culm stiff, erect; leaf blades emergent or immersed, 3-30(39) cm long, the tip long-acute to attenuate; inflorescences 1-12 cm long, 8-50 spikelets, mostly exserted
2
2.  Culm robust 3-10 mm wide; ligules 10-40 mm long; leaf blades 7-20 mm wide
2.  Culm slender, 0.5-2 mm wide; ligules 2-6 mm long; leaf blades 0.5-6 mm wide
3
3.  Pistillate spikelet 3-5 mm long; fruit striate
3.  Pistillate spikelet 2-2.5 mm long; fruit smooth
Genus Synonyms
Synonym Full Citation Basionym Type
Arrozia Arrozia Schrader ex Kunth, Enum. Pl. 1: 11. 1833. TYPE: Arrozia micrantha Schrader ex Kunth, nom. illegit. (Caryochloa brasiliensis Trinius) = Caryochloa Trinius 1826.
Caryochloa Caryochloa Trinius, Gram. Panic. 54, 248. 1826. TYPE: Caryochloa brasiliensis Trinius
Hydrochloa Hydrochloa Palisot de Beauvois, Ess. Agrostogr. 135, 165, pl. 24(4). 1812. TYPE: Hydrochloa caroliniensis Palisot de Beauvois (Zizania fluitans Michaux; Hydrochloa fluitans (Michaux) Torrey 1826, non Hartman 1819)