Gymnosphaera denticulata

Gymnosphaera denticulata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Cyatheales
Family:	Cyatheaceae
Genus:	Gymnosphaera
Species:	G. denticulata
Binomial name
	Gymnosphaera denticulata; (Baker) Copel. (1947)
Synonyms
	Alsophila acaulis Makino (1914) ; Alsophila denticulata Baker (1885) ; Cyathea acaulis (Makino) Domin (1929) ; Cyathea hancockii Copel. (1909) ; Cyathea polyodonta Domin (1929) ; Dryopteris denticulata Hayata (1917), nom. illeg. ; Dryopteris hancockii (Copel.) Nakai (1927) ; Dryopteris taitunensis Koidz. (1924) ;

Gymnosphaera denticulata, synonyms Alsophila acaulis, Alsophila denticulata and Cyathea hancockii, is a species of tree fern native to Japan, the Ryukyu Islands, Taiwan, southern China, Hong Kong, and Hainan. It grows in forest, on stream banks, and in forest margins at an elevation of about 600 m or higher. The specific epithet hancockii commemorates William Hancock (1847-1914), who collected numerous plants in Japan, China and Southeast Asia.