- Habitat on top of Mt. Wellington

Phlegmariurus varius (R.Br.) A.R.Field & Bostock is a subtropical and temperate species from the deep south of Oceania, occurring in temperate Australian and New Zealand rainforests as well as subtropical and temperate Oceanic Islands. This species grows in a...
Phlegmariurus phlegmaria (L.) T.Sen & U.Sen is part of a large complex of species spanning from Africa to the Austral Islands SE of Tahiti. There are at least three species belonging to this group that occur in Australia, the most common of which I tentatively...
Nice photos, and such a cool habitat. I would treat this in the genus Diphasium – it is closely allied to Diphasium jussiaei, which is common in high elevation habitats in Andes and Costa Rica. We saw it in the turbera at km 72 on the Pan-American highway.
The two dorsilateral ranks of leaves and multiple small ventral leaves are diagnostic.