Asia-Tropical, Eastern New Guinea present, New Hebrides present, Solomons present
Malesia: Eastern New Guinea; Solomons, New Hebrides.
At Kew is a later collection of P. leuzeana var. echinocarpa named by Rosenstock. The above description is based largely on a plant cultivated at Kew. On other specimens the position of sori is very variable; the condition shown by the type of P. dimidiolobata represents an extreme condition.