About Isocoma hartwegii (A.Gray) Greene
Isocoma hartwegii (A.Gray) Greene is a Mexican plant species belonging to the Asteraceae family. It has been recorded growing in the Mexican states of Jalisco, Zacatecas, Aguascalientes, Hidalgo, Guanajuato, and San Luis Potosí. This species is classified as a subshrub. Each of its flower heads contains 13 to 22 disc flowers, and produces no ray flowers.