Plenasium vachellii

Plenasium vachellii is a fern in the family Osmundaceae.^[1] The genus Plenasium is recognized in the Pteridophyte Phylogeny Group classification of 2016 (PPG I);^[2] however, some sources place all Plenasium species in a more broadly defined Osmunda, treating this species as Osmunda vachellii.^[3] It is native to south-central and southeast China (including Hainan) and Indochina (the Malayan peninsula, Myanmar, Thailand and Vietnam).^[3]

Plenasium vachellii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Osmundales
Family:	Osmundaceae
Genus:	Plenasium
Species:	P. vachellii
Binomial name
Plenasium vachellii (Hook.) C.Presl
Synonyms[1]
Osmunda vachellii Hook.