Rafflesiales

Hydnoraceae (2/15) (Cronquist placement)

Rafflesiaceae (8/53) (Cronquist placement)

Mitrastemonoideae - a single genus with 2 species (Mitrastemon)
Cytinoideae - 2 genera with 10 species (Bdallophyton, Cytinus)
Apodanthoideae - 2 genera with 26 species (Apodanthes, Pilostyles)
Rafflesioideae - 3 genera with 15 species (Rafflesia, Rhizanthes, Sapria)