Are Cephalaria and Sagina both a genus of species of flowering plants?
Cephalaria Cephalaria is a genus of about 65 species of flowering plants in the family Caprifoliaceae, native to southern Europe, western and central Asia, and northern and southern Africa.
Sagittaria montevidensis Sagittaria montevidensis is a species of flowering plant in the water-plantain family Alismataceae. Common names include giant arrowhead and California arrowhead.