Azolla filiculoides subsp. filiculoides

Native to:

Alaska, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Bolivia, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, California, Chile Central, Chile North, Chile South, Colombia, Ecuador, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nicaragua, Oregon, Paraguay, Peru, Texas, Tristan da Cunha, Uruguay, Venezuela, Venezuelan Antilles, Washington

Introduced into:

Albania, Assam, Austria, Baltic States, Belgium, Bulgaria, Canary Is., Cape Provinces, China Southeast, Czechia-Slovakia, Denmark, France, Free State, Germany, Great Britain, Greece, Hawaii, Hungary, India, Iraq, Ireland, Italy, Japan, Jawa, Korea, Lesotho, Malaya, Morocco, Namibia, Nansei-shoto, Nepal, Netherlands, Northern Provinces, NW. Balkan Pen., Pakistan, Palestine, Poland, Portugal, Romania, Sardegna, Spain, Sweden, Tadzhikistan, Taiwan, Türkey, Türkey-in-Europe, Zimbabwe

POWO follows these authorities in accepting this name:

• Ebihara, A. (2016). The standard of ferns and lycophytes in Japan. Nihonsan shida shokubutsu hyojun zukan 1: 1-475. Gakken Plus, Tokyo.
• Fraser-Jenkins, C.R. & Parris, B.S. (2020). Pteridophytes of Turkey - A revised check-list and their relationship to Europe and the West Himalaya. Indian Journal of Forestry 43: 263-284.
• Fraser-Jenkins, C.R. & al. (2021). An Annotated Checklist of Indian Pteridophytes 3: 1-450. Dehra Dun : BSMPS.
• Fraser-Jenkins, C.R., Shah, S.N. & Ullah, A. (2023). Ferns of Swat Revisited: 1-260. Bishen Singh Mahendra Pal Singh, Dehra Dun, India.
• Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World. Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Kew Backbone Distributions

• Delipavlov, D. & Cheshmedzhiev, I. (eds.) (2011). Opredelitel na rasteniiata v Bulgariia: 1-590. Akad. Isd. Agrar. Univers. Plovdiv.
• Dufour-Dror, J.M. & Fragman-Sapir, O. in Dufour-Dror, J.M. (2019). Alien Plant Species in Natural & Disturbed Areas in Israel. Alien Invasive Plants in Israel, ed. 2: 1-246. Dan Perry Pub., Nature & Parks Authority, Israel Ministry of Environmental Protection.
• Fraser-Jenkins, C.R. & Kandel, D.R. (2019). Ferns and Fern-Allies of Nepal 2: 1-446. Government of Nepal, Ministry of Forests and Environment, Department of Plant Resources.
• Fraser-Jenkins, C.R. & Parris, B.S. (2020). Pteridophytes of Turkey - A revised check-list and their relationship to Europe and the West Himalaya. Indian Journal of Forestry 43: 263-284.
• Fraser-Jenkins, C.R. & al. (2021). An Annotated Checklist of Indian Pteridophytes 3: 1-450. Dehra Dun : BSMPS.
• Fraser-Jenkins, C.R., Shah, S.N. & Ullah, A. (2023). Ferns of Swat Revisited: 1-260. Bishen Singh Mahendra Pal Singh, Dehra Dun, India.
• Mirek, Z., Piękoś-Mirkowa, H., Zając, A. & Zając, M (2020). Vascular plants of Poland an annotated checklist: 1-526. W. Szafer institute of botany, Polish academy of sciences, Krakow, Poland.
• Nowak, A. & Nobis, M. (eds.) (2020). Illustrated Flora of Tajikistan and adjacent areas 2: 367-766. PAN, Polish academy of sciences.
• Prelli, R. & Boudrie, M. (2021). Les Fougères et plantes alliées d'Europe: 1-528. BIOTOPE.
• Retief, E. & Meyer, N.L. (2017). Plants of the Free State inventory and identification guide. Strelitzia 38: 1-1236. National Botanical Institute, Pretoria.
• Roux, J.P. (2016). The Lycopods and Ferns of Drakensberg and Lesotho: 1-384. Briza academic books, Pretoria, South Africa.