Cavicularia

Cavicularia densa
Scientific classification
Kingdom:	Plantae
Division:	Marchantiophyta
Class:	Marchantiopsida
Order:	Blasiales
Family:	Blasiaceae
Genus:	Cavicularia Stephani 1897b non Pavesi 1881
Species:	C. densa
Binomial name
Cavicularia densa Stephani 1897b

Cavicularia densa is the only species in the liverwort genus Cavicularia. It is distinguished from Blasia by the absence of a collar around the base of the sporophyte capsule, and a clustered arrangement of sperm-producing antheridia.

Cavicularia is endemic to Japan, where it grows on fine soil.

The chemical compound cavicularin was isolated from this species. The compound is notable for being the first such compound isolated from nature with optical activity.

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