Monolopia gracilens
 Monolopia gracilens is a species of flowering plant in the aster family known by the common name woodland monolopia. It is endemic to California where it is known from the mountains of the San Francisco Bay Area and ranges just to the south. It grows in grassland chaparral woodland and other habitat often on serpentine soils. It is an annual herb producing a slender branching stem up to about 80 centimeters tall. It is usually somewhat woolly in texture.