Tetragonotheca Explained

Tetragonotheca is a genus of North American plants in the family Asteraceae.^{[1] [2]} Nerveray is a common name for plants in this genus.

Species^[3]

• 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^[4] see Guizotia Rumfordia

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

Notes and References

1. https://www.biodiversitylibrary.org/page/358924#page/345/mode/1up Linnaeus, Carl von. 1753. Species Plantarum 2: 903
2. http://www.tropicos.org/Name/40011865 Tropicos, Tetragonotheca L.
3. http://bonap.net/NAPA/TaxonMaps/Genus/County/Tetragonotheca Biota of North America Program 2013 county distribution maps
4. http://dixon.iplantcollaborative.org/compositaeweb/default.aspx?Page=NameDetails&TabNum=0&NameId=86a3c391-6d33-44d4-ae14-26417b141681 Flann, C (ed) 2009+ Global Compositae Checklist