Pteris is not a valid species
Did you mean one of the species from the following list?
Angiopteris evecta - 2 collection objects
Angiopteris lygodiifolia - 1 collection objects
Arthropteris beckleri - 2 collection objects
Arthropteris tenella - 6 collection objects
Calciphilopteris ludens - 1 collection objects
Callipteris prolifera - 1 collection objects
Ctenopteris heterophylla - 3 collection objects
Cystopteris fragilis - 1 collection objects
Cystopteris tasmanica - 2 collection objects
Dictyopteris australis - 2 collection objects
Dictyopteris crassinervia - 2 collection objects
Dictyopteris delicatula - 1 collection objects
Dictyopteris muelleri - 3 collection objects
Dictyopteris plagiogramma - 2 collection objects
Dipteris conjugata - 2 collection objects
Dipteris novoguineensis - 1 collection objects
Doryopteris concolor - 2 collection objects
Halopteris funicularis - 1 collection objects