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Pterostylis maxima is accepted species in  the family Orchidaceae  subfamily: Orchidoideae, tribe: Cranichideae, subtribe: Pterostylidinae,  
Genus Pterostylis 
This species is found in SE. Australia.
Ptst. maxima Reiner Richter
Oligochaetochilus maximus John Varigos
Oligochaetochilus maximus John Varigos
Oligochaetochilus maximus John Varigos
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