Orchidaceae Juss.
Petalochilus pygmaeus (R.S.Rogers) R.J.Bates , legitimate, scientific
Bates, R.J. (2016), New combinations in the South Australian Caladeniinae. Australian Orchid Review 81(6): 63 [comb. et stat. nov.]
basionym: Caladenia carnea var. pygmaea R.S.Rogers legitimate nomenclatural synonym: Caladenia pygmaea (R.S.Rogers) R.J.Bates legitimate
Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 82 [nomenclatural synonym]
nomenclatural synonym of: Caladenia pygmaea (R.S.Rogers) R.J.Bates legitimate