Heterotheca mexicana explained

Heterotheca mexicana is a rare Mexican species of flowering plant in the family Asteraceae. It has been found only in western Durango in northeastern Mexico.^{[1] [2]}

Notes and References

1. https://uwaterloo.ca/astereae-lab/research/goldenasters/heterotheca/heterotheca-sect-phyllotheca/heterotheca-mexicana University of Waterloo (Canada), Astereae Lab, Heterotheca mexicana
2. https://www.biodiversitylibrary.org/page/12882831#page/216/mode/1up Turner, Billie Lee. 1984. Phytologia 55: 204-205