Pterostylis is not a valid species
Did you mean one of the species from the following list?
Pterostylis acuminata - 1 collection objects
Pterostylis alata - 3 collection objects
Pterostylis alpina - 7 collection objects
Pterostylis baptistii - 3 collection objects
Pterostylis cheraphila - 1 collection objects
Pterostylis concinna - 3 collection objects
Pterostylis cucullata - 4 collection objects
Pterostylis curta - 5 collection objects
Pterostylis cycnocephala - 1 collection objects
Pterostylis decurva - 3 collection objects
Pterostylis falcata - 2 collection objects
Pterostylis foliata - 1 collection objects
Pterostylis grandiflora - 4 collection objects
Pterostylis longipetala - 2 collection objects
Pterostylis melagramma - 12 collection objects
Pterostylis monticola - 1 collection objects
Pterostylis mutica - 4 collection objects
Pterostylis nana - 11 collection objects