Azolla rubra
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.
| 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. | |
Distribution
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]
Habitat
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]
References
- "Help with floating fern". Te Papa's Blog. 2012-11-29. Retrieved 2019-09-08.
- "Flora of New Zealand | Taxon Profile | Azolla rubra". www.nzflora.info. Retrieved 2019-09-08.
- Reid, Jill D.; Plunkett, Gregory M.; Peters, Gerald A. (May 2006). "Phylogenetic Relationships in the Heterosporous Fern Genus Azolla (Azollaceae) Based on DNA Sequence Data from Three Noncoding Regions". International Journal of Plant Sciences. 167 (3): 529–538. doi:10.1086/501071. ISSN 1058-5893.
- "Azolla rubra | New Zealand Plant Conservation Network". www.nzpcn.org.nz. Retrieved 2019-09-08.
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