Calomnion complanatum

Calomnion complanatum is a species of moss native to Australia (New South Wales, Victoria, Tasmania) and New Zealand. It is the type species of the genus Calomnion, growing on the trunks of tree ferns. It is a small, yellow-green plant rarely more than 10 mm tall.^[3][4][5]

Calomnion complanatum
Scientific classification
Kingdom:	Plantae
Division:	Bryophyta
Class:	Bryopsida
Subclass:	Bryidae
Order:	Rhizogoniales
Family:	Rhizogoniaceae
Genus:	Calomnion
Species:	C. complanatum
Binomial name
Calomnion complanatum (Hook.f. and Wilson) Lindb.[1][2]

Within New South Wales, Calomnion complanatum is an endangered species reported from only 4 populations, all in New South Wales: Cambewarra Mountain, Rocky Creek Canyon on the Newnes Plateau, and two sites on Mount Wilson (Zircon Creek and Waterfall Reserve).^[6] It is listed as endangered in Victoria but rare and not endangered in Tasmania or New Zealand.^[7][8]