Distribution
Asia-Tropical: Borneo present (Sarawak present)
Malesia: Borneo (Sarawak).
Notes
Christensen (l.c. 1934) referred here specimens with thinner pustular pinnae and setiferous sporangia; these are now placed in P. rhombeum and P. peltatum.
Citation
v.A.v.R. 1908: Handb.: 740
C. Chr. 1934 – In: Gard. Bull. Str. Settl.: 248