Chrysothamnus greenei called Greene’s rabbitbrush , is a North American species of flowering plants in the aster tribe within the sunflower family. It has been found in eastern California (Mono + Inyo Counties), Nevada, Arizona, New Mexico, Utah, Colorado, and southern Wyoming (Sweetwater County).Chrysothamnus greenei is a branching shrub up to 50 cm (20 inches) tall with gray bark. It has many small, yellow flower heads clumped into dense arrays.