. . . . . . "Guardiola rosei is a rare North American species of plants in the sunflower family. It is found only in northern Mexico in the States of Chihuahua, Durango, and Nayarit.Guardiola rosei is a perennial herb up to 40 cm (16 in) tall, hairless and covered with wax so as to appear whitish. flower heads contain both ray flowers and disc flowers."@en . . .