rigid white spider orchid, island white spider orchid (Caladenia longicauda subsp. rigidula)

Caladenia longicauda subsp. rigidula is a species in the Caladenia genus. It is commonly known as rigid white spider orchid, island white spider orchid This name is accepted name for the species in the family Orchidaceae subfamily Orchidoideae, tribe Diurideae, subtribe Caladeniinae, . This species is found in SW. Australia.