Azolla rubra
Species of fern From Wikipedia, the free encyclopedia
Species of fern From Wikipedia, the free encyclopedia
Azolla rubra, known commonly as red azolla and Pacific azolla, is a species of aquatic fern native to Australia and New Zealand.[1] In New Zealand, it is also known by its Māori names returetu, roturotu, kārearea and kārerarera.[citation needed]
| Azolla rubra | |
|---|---|
| |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Salviniales |
| Family: | Salviniaceae |
| Genus: | Azolla |
| Species: | A. rubra |
| Binomial name | |
| Azolla rubra R.Br. | |
Azolla rubra is found in Australia and New Zealand. Its range is thought to extend to Papua New Guinea, Indonesia and Japan.[2][3]
In New Zealand, it is found on the North and South Islands, and on Raoul Island in the Kermadecs.[4]
Forms extensive red mats on slow moving bodies of water such as streams, lakes, ponds and swamps. May also occur on man-made water bodies such as farm ponds, drains, ditches, dams and cattle troughs.[2]
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