Tetragonotheca is a genus of North American plants in the family Asteraceae. Nerveray is a common name for plants in this genus.

Species

• 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

see Guizotia Rumfordia

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

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