Tetragonotheca

Tetragonotheca
Tetragonotheca ludoviciana
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Millerieae
Genus:	Tetragonotheca L.
Type species
Tetragonotheca helianthoides [1] L.
Synonyms [2]
HaleaTorr. & A.Gray 1842, illegitimate homonym not L. ex J.E. Smith 1821 [3] BikeraAdans. TetragonospermaScheele GonothecaRaf. 1818, not Blume ex DC. 1830

Tetragonotheca is a genus of North American plants in the family Asteraceae. ^{[1] [4]} Nerveray is a common name for plants in this genus. ^[5]

Species ^{[2] [6]}

• Tetragonotheca helianthoides L. - MS AL GA FL NC SC TN VA
• Tetragonotheca ludoviciana (Torr. & A.Gray) A.Gray ex E.Hall - TX LA AR
• Tetragonotheca parviflora Jacq. - West Indies
• Tetragonotheca repanda (Buckley) Small - TX
• Tetragonotheca texana Engelm. & A.Gray ex A.Gray & Engelm. - TX, Coahuila, Nuevo León, Tamaulipas, Jalisco, Colima

formerly included ^[2]

see Guizotia Rumfordia

• Tetragonotheca abyssinica - Guizotia abyssinica
• Tetragonotheca guatemalensis - Rumfordia guatemalensis

References

1. Linnaeus, Carl von. 1753. Species Plantarum 2: 903 in Latin
2. Flann, C (ed) 2009+ Global Compositae Checklist Archived 2015-01-17 at archive.today
3. The International Plant Names Index
4. Tropicos, Tetragonotheca L.
5. NRCS. "Tetragonotheca". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 9 December 2015.
6. Biota of North America Program 2013 county distribution maps