Caladenia dilatata

Green-comb spider-orchid
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Orchidoideae
Tribe:	Diurideae
Genus:	Caladenia
Species:	C. dilatata
Binomial name
	Caladenia dilatata; R.Br.
Synonyms
	List Arachnorchis dilatata (R.Br.) D.L.Jones & M.A.Clem.; Caladenia corynepetala D.L.Jones; Caladenia dilatata R.Br. subsp. dilatata; Caladenia dilatata R.Br. var. dilatata; Caladenia patersonii var. dilatata (R.Br.) Benth.; Caladenia simulans G.W.Carr; Caladenia sp. aff. tentaculata (Southern coastal); Calonema corynepetala Szlach. orth. var.; Calonema corynepetalum (D.L.Jones) Szlach.; Calonema dilatata Szlach. orth. var.; Calonema dilatatum (R.Br.) Szlach.; Calonemorchis corynepetala (D.L.Jones) Szlach.; Calonemorchis dilatata (R.Br.) Szlach.; ;

Caladenia dilatata, commonly known as the green-comb spider-orchid and as koolin by Aboriginal people of the Coranderrk area, is species of flowering plant in the family Orchidaceae and is endemic to south-eastern Australia. It has a single leaf and a single yellowish-green flower with reddish stripes and occurs in Victoria South Australia and Tasmania. It is similar to C. necrophylla which occurs in south-east South Australia and to C. concinna from southern New South Wales.