Pneumatopteris medlerii from the Conservation International Kaijende Highlands Expedition is described. The novelty is closest to P. caudata, differing primarily in the short-creeping rhizome, stipitate pinnae, medial sori, glabrous indusia, and the occurrence on limestone. Noteworthy records for P. petrophila and P. nephrolepioides are also reported with the new species.

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Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

Takeuchi, W. (2007). Notes on Pneumatopteris (Thelypteridaceae) from Papua New Guinea,
with the description of a new calciphilous species. Blumea: Biodiversity, Evolution and Biogeography of Plants, 52(1), 153–158.