Claim: Crocanthemum greenei, also known as island rush-rose, is a rare species of flowering plant in the rock-rose family, order Malvales of the kingdom Plantae that is endemic to the Channel Islands of California.
Evidence: Crocanthemum greenei is a rare species of flowering plant in the rock-rose family known by the common name island rush-rose. Order: Malvales Kingdom: Plantae It is endemic to the Channel Islands of California, where it grows in the chaparral of the rocky seaside slopes.