本文首次報導薄葉陷囊蕨產於臺灣,文中並附本種在世界上之分佈情況及在臺灣的詳細產地,由於本種在臺灣為一稀有植物,並由其所屬之屬(genus)係一植物地理學上之熱帶屬,故也從植物地理學及植被學的角度,探討臺灣之稀有蕨類及熱帶植被。
Phymatosorus nigrescens (Blume) Pichi Sermolli is first reported from Taiwan. The distribution maps, both local and geographical, are also provided. Ph. nigrescens is a rare species in Taiwan, beside a morpnological description according to a few collections from Tainan area and a comparison between Ph. nigrescens and two other closely related species, a brief discussion on the present status of rare ferns and tropical vegetation in Taiwan based on plant-geographical and vegetational viewpoint is also proposed.