Contains 2 accepted taxa overall.

Characteristics
Ctenium Panz.
TOOTHACHEGRASS
Classification
POALES
Ctenium
Citation
CTENIUM Panzer, Revis. Graeser 38, 61. 1813, nom. cons. vs. Campulosus Desvaux 1810.
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TYPE: Ctenium carolinianum Panzer, nom. illegit. (Chloris monostachya Michaux)
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Ctenium aromaticum TOOTHACHEGRASS Native FACW (NWPL) FACW (DEP)
Ctenium floridanum FLORIDA TOOTHACHEGRASS Native Rare-State FACW (NWPL) FACW (DEP)
Identification Key
1.  Rhizomes absent; upper glume with a row of prominent glands on each side of midrib, the glume awn diverging at maturity
1.  Rhizomes scaly; upper glume eglandular or glands few, inconspicuous, glume awn straight to ascending
Genus Synonyms
Synonym Full Citation Basionym Type
Campulosus Campulosus Desvaux, Nouv. Bull. Sci. Soc. Philom. Paris 2: 189. 1810, nom. rej. vs. Ctenium Panzer 1813. TYPE: Campulosus gracilior Desvaux, nom. illegit. (Chloris monostachya Michaux, Campulosus monostachyos (Michaux) Palisot de Beauvois) Lectotypified by Nash, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 224. 1913. = Ctenium Panzer 1813, by lectotypi
Monathera Monathera Rafinesque, Amer. Monthly Mag. & Crit. Rev. 4: 190. 1819. TYPE: = Monocera Elliott 1816; = Ctenium Panzer 1813.
Monocera Monocera Elliott, Sketch Bot. S. Carolina 1: 176. 1816. TYPE: = Ctenium Panzer 1813.
Triatherus Triatherus Rafinesque, Amer. Monthly Mag. & Crit. Rev. 3: 99. 1818. TYPE: = Monocera Elliott 1816; = Ctenium Panzer 1813.