Azolla rubra (red azolla). Halswell Quarry Park, Christchurch. © Murray Dawson
On mud surrounding rush dominated wetlands in dune hollows
Azolla rubra (red azolla). Pegasus Bay Walkway, Canterbury. © Murray Dawson
At Lake Tewa, Jacks' Point saw this Red Water Fern.
aka Azolla rubra.
Floating on the water surface in front of Carex secta.
Small pond covered in Azolla that has developed the distinctive autumn red, at head of Shallow Bay, Lake Manapouri.
Dominant vegetation sequences through Carex (geminata?) to Kahikatea & finally Silver Beech.
On damp mud at head of lake
Fairly common in small seepages.
Azolla (mosquito fern, duckweed fern, fairy moss, water fern) is a genus of seven species of aquatic ferns in the family Salviniaceae. They are extremely reduced in form and specialized, looking nothing like conventional ferns but more resembling duckweed or some mosses.