Contains 2 accepted taxa overall.

Characteristics
Rotala L.
ROTALA
Classification
MYRTALES
Rotala
Citation
ROTALA Linnaeus, Mant. Pl. 143, 175. 1771.
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TYPE: Rotala verticillata Linnaeus
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Rotala ramosior LOWLAND ROTALA; TOOTHCUP Native OBL (NWPL) OBL (DEP)
Rotala rotundifolia DWARF ROTALA; ROUNDLEAF TOOTHCUP Not Native OBL (NWPL) Y
Identification Key
1.  Leaf blades linear to oblanceolate; flowers in the axils of typical leaves
1.  Leaf blades broadly elliptic to orbicular; inflorescence terminal and bracteate
Genus Synonyms
Synonym Full Citation Basionym Type
Ameletia Ameletia de Candolle, Mem. Soc. Phys. Geneve 3(2): 82, t. 3. 1826. TYPE: Ameletia indica (Willdenow) de Candolle (Peplis indica Willdenow)
Boykinia Boykinia Rafinesque, Neogenyton 2. 1825, nom. rej. vs. Boykinia Nuttall 1834. TYPE: Ammannia humilis Michaux
Hydrolythrum Hydrolythrum Hooker f., in Bentham & Hooker f., Gen. Pl. 1: 774, 777. 1867. TYPE: Hydrolythrum wallichii Hooker f.
Nextilis Nextilis Rafinesque, New Fl. 4: 9. 1838. TYPE: = Ameletia de Candolle 1826.
Nimmoia Nimmoia Wight, Madras J. Lit. Sci. 5: 311. 1837. TYPE: Nimmoia floribunda Wight
Quartinia Quartinia Endlicher, Gen. Pl., Suppl. 2: 94. 1842, non A. Richard 1840. TYPE: Quartinia repens (Hochstetter) Endlicher ex Walpers (Rhyacophila repens Hochstetter) Substitute name for Thyacophila Hochstetter 1841, non Rhuacophila Blume 1827.
Rhyacophila Rhyacophila Hochstetter, Flora 24: 659. 1841, non Rhuacophila Blume 1827. TYPE: Rhyacophila repens Hochstetter = Quartina Endlicher 1842, non A. Richard 1840.
Sellowia Sellowia Roth ex Schultes, in Roemer & Schultes, Syst. Veg. 5: xxxi, 407. 1819. TYPE: Sellowia uliginosa Roth ex Schultes
Suffrenia Suffrenia Bellardi, Mem. Acad. Sci. Turin, Sci. Phys. 7: 445, t. 1(1). 1803-1804. TYPE: Suffrenia filiformis Bellardi
Tritheca Tritheca (Wight & Arnott) Miquel, Fl. Ned. Ind. 1(1): 613, 614. 1856. BASIONYM: Unknown TYPE: Tritheca pentandra (Roxburgh) Miquel (Ammannia pentandra Roxburgh)
Winterlia Winterlia Sprengel, Syst. Veg. 1: 519. 1825, non Moench 1794. TYPE: = Sellowia Roth ex Schultes 1819.