Hisatsugia, a New Genus Based on Gollania splendens (Hypnaceae, Bryophyta)

Abstract

A new genus, Hisatsugia, is established for a Japanese moss, Gollania splendens (Broth. ex Ihsiba) Nog. It is characterized by slender plants, strongly concave leaves, rhomboidal, thin-walled lamina cells, round-triangular pseudoparaphyllia, inner perichaetial leaves with long filiform acumina, exostome teeth with characteristic outer surface structure, and reduced endostomes.