''Lepisorus squamatus'' is a species of fern known only from

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

and from

Guangxi Guangxi (; ; Chinese postal romanization, alternately romanized as Kwanghsi; ; za, Gvangjsih, italics=yes), officially the Guangxi Zhuang Autonomous Region (GZAR), is an Autonomous regions of China, autonomous region of the People's Republic ...

Province in southern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

. The plant is herbaceous, spreading by

rhizomes In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

. The leaves are simple, elliptical, and the sori are round, on the underside of the leaves. The spores are white.Smith, A. R., K. M. Pryer, E. Schuettpelz, P. Korall, H. Schneider & P. Wolff. 2006. A classification for extant ferns. Taxon 55(3): 705–731.Flora of China v 2-3 p 827.
/ref> The systematic position of the species varies. It was originally described in the monotypic genus ''Caobangia'' as ''Caobangia squamata''. It has also been placed in ''

Lemmaphyllum ''Lemmaphyllum'' is a genus of ferns in the family Polypodiaceae, subfamily Microsoroideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). Taxonomy ''Lemmaphyllum'' was first described by Carl Presl in 1851. ...

'' as ''Lemmaphyllum squamatum''.

References

{{Taxonbar, from=Q15324425 Polypodiaceae Ferns of Asia Flora of Vietnam Flora of Guangxi Plants described in 2002