Tetragonotheca
Tetragonotheca is a genus of North American plants in the family Asteraceae. Nerveray is a common name for plants in this genus.
; SpeciesTetragonotheca helianthoides L. - MS AL GA FL NC SC TN VATetragonotheca ludoviciana A.Gray ex E.Hall - TX LA ARTetragonotheca parviflora Jacq. - West IndiesTetragonotheca repanda Small - TXTetragonotheca texana Engelm. & A.Gray ex A.Gray & Engelm. - TX, Coahuila, Nuevo León, Tamaulipas, Jalisco, Colima
; formerly included
see Guizotia Rumfordia Tetragonotheca abyssinica - Guizotia abyssinica
- ''Tetragonotheca guatemalensis - Rumfordia guatemalensis''