Calycadenia fremontii
 Calycadenia fremontii is a species of flowering plant in the daisy family known by the common name Frémont's western rosinweed (after John C. Frémont). It is native to northern California and Oregon where it is a common member of the flora in several types of habitat in the mountains foothills and valleys. This annual plant is variable in appearance. It produces a rigid erect hairy stem reaching a top height anywhere between 10 centimeters and one meter.