Guardiola thompsonii is a rare North American species of plants in the family Asteraceae. It is found only in western Mexico in the state of Michoacán.Paul Van Faasen. 1976. A New Species of Guardiola Humb. & Bonpl. (Compositae-Heliantheae). Southwestern Naturalist 21: 27-29
Guardiola thompsonii is up to tall. Leaves are up to long. One plant will produce 15-20 flower heads in a flat-topped array per major branch. Each head contains 2-3 ray flowers and 10-15 disc flowers.
References