Tetramolopium rockii

Tetramolopium rockii is a rare species of flowering plant in the aster family known by the common name dune tetramolopium. It is endemic to Hawaii, where it is known only from the island of Molokai. It is threatened by habitat destruction and degradation caused by deer, cattle, introduced species of plants, and off road vehicles. It is a federally listed threatened of the United States.