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204.400 Azolla
Crouch, N.R., Klopper, R.R., Burrows, J.E. & Burrows, S.M. (2011) Ferns of Southern Africa, A comprehensive guide Struik Nature
Henderson, L. (2001) Alien weeds and invasive plants Plant Protection Research Institute Handbook No. 12. Plant Protection Research Institute, Agricultural Research Council, South Africa.
Jacobsen, W.B.G. (1983) The Ferns and Fern Allies of Southern Africa. Butterworths, Durban and Pretoria.
Roux, J.P. (2001) Conspectus of Southern African Pteridophyta. Southern African Botanical Diversity Network Report 13
Schelpe, E.A.C.L.E. (1970) Pteridophyta Flora Zambesiaca
Description of the genus
Free-floating aquatic plants; rhizomes slender, roots simple. Leaves alternate in 2 rows, equally lobed with submerged lobe containing cavities with cyanobacteria and a chlorophyllous floating lobe, veins free. Sori in sporocarps borne in axils of submerged lobes. Derivation of name: azo: dry, ollyo: to kill; plants are killed by drought Comment: Some authors place the genus Azolla within the family of the Azollaceae. Recent literature (Roux 2009, Crouch 2011) however include the genus Azolla within the Salviniaceae. Worldwide: c.6 species in tropical and warm areas, introduced in many ares Zimbabwe: 3 taxa. |
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Links to taxa: View: living plant images - herbarium specimen images - all images for this genus
| Species | FZ divisions | Content |
| filiculoides Lam. | N,C,E | Description, Image |
| nilotica Decne. ex Mett. | N,W | Description, Image |
| pinnata R. Br. subsp. africana (Desv.) R.M.K. Saunders & K. Fowler | N,W | Description, Image |
Other sources of information about Azolla:
Our websites:
Flora of Botswana: AzollaFlora of Burundi: Azolla
Flora of Caprivi: Azolla
Flora of the DRC: Azolla
Flora of Malawi: Azolla
Flora of Mozambique: Azolla
Flora of Rwanda: Azolla
Flora of Zambia: Azolla
External websites:
African Plants: A Photo Guide (Senckenberg): AzollaBHL (Biodiversity Heritage Library): Azolla
EOL (Encyclopedia of Life): Azolla
GBIF (Global Biodiversity Information Facility): Azolla
Google: Web - Images - Scholar
iNaturalist: Azolla
IPNI (International Plant Names Index): Azolla
JSTOR Plant Science: Azolla
Mansfeld World Database of Agricultural and Horticultural Crops: Azolla
Plants of the World Online: Azolla
Tropicos: Azolla
Wikipedia: Azolla
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