Taxon: Azolla pinnata R. Br.

• Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

A declared noxious weed by USDA-APHIS.

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

AL*, MAª, NCª, OKª, SCª.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

See also subordinate taxa:

• Azolla pinnata subsp. africana (no accessions)
• Azolla pinnata subsp. asiatica (no accessions)
• Azolla pinnata subsp. pinnata (no accessions)

Common names:

• ferny azolla   (Source: F NZeal ) – English
  
• green azolla   (Source: Aust Pl Common Names ) – English
  
• mosquito fern   (Source: State Noxweed Seed ) – English
  
• mosquito fern   (Source: USDA/APHIS ) – English   [Azolla pinnata subsp. asiatica]
  
• water-velvet   (Source: State Noxweed Seed ) – English
  
• fjädermossbräken   (Source: Vara kulturvaxt namn ) – Swedish
  

Economic importance:

• Animal food: fodder   (fide Mansf Ency)
  
• Weed   (fide State Noxweed Seed)
  

Distributional range:

• AFRICA
  East Tropical Africa: Kenya; Tanzania; Uganda
  West-Central Tropical Africa: Burundi; Cameroon; Central African Republic; Congo; Gabon; Rwanda; Zaire
  West Tropical Africa: Cote D'Ivoire; Ghana; Guinea; Liberia; Nigeria; Senegal; Sierra Leone
  South Tropical Africa: Angola; Mozambique; Zambia
  Southern Africa: Botswana; South Africa - KwaZulu-Natal
  Western Indian Ocean: Madagascar
• ASIA-TEMPERATE
  China: China - Anhui [s.e.], Fujian, Henan, Hubei, Jiangsu, Jiangxi, Sichuan, Zhejiang
  Eastern Asia: Japan; Taiwan
• ASIA-TROPICAL
  Indian Subcontinent: Bangladesh; India; Nepal; Pakistan; Sri Lanka
  Indo-China: Myanmar; Thailand; Vietnam
  Malesia: Indonesia; Papua New Guinea; Philippines
• AUSTRALASIA
  Australia: Australia - New South Wales, Northern Territory, Queensland, Victoria
• PACIFIC
  Southwestern Pacific: New Caledonia

• ASIA-TEMPERATE
  China: China
• ASIA-TROPICAL
  Indian Subcontinent: India; Sri Lanka
  Indo-China: Vietnam

References:

• Aldén, B., S. Ryman & M. Hjertson. 2009. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin).
• Allan, H. H. B. et al. 1961–. Flora of New Zealand.
• Dyer, R. A. et al., eds. 1963–. Flora of southern Africa.
• Exell, A. W. et al., eds. 1960–. Flora zambesiaca. [mentions].
• FNA Editorial Committee. 1993–. Flora of North America. [mentions].
• Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource).
• Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6.
• Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
• Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
• Johns, R. J. 1991. Pteridophytes of Tropical East Africa.
• Khatun, A. et al. 1999. Comparison of the nutritive value for laying hens of diets containing azolla (Azolla pinnata) based on formulation using digestible protein and digestible amino acid versus total protein and total amino acid. Anim. Feed Sci. Technol. 81:43–56.
• Missouri Botanical Garden. Flora of China Checklist (on-line resource).
• Seed Regulatory and Testing Branch, Agricultural Marketing Service, U.S.D.A. 1999. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act.
• Smitinand, T. & K. Larsen, eds. 1970–. Flora of Thailand.
• Turrill, W. B. et al., eds. 1952–. Flora of tropical East Africa.

More:

Search AGRICOLA article citation database for citations referencing Azolla pinnata.

Search NCBI's Entrez search engine for PubMed citations referencing Azolla pinnata.

Search Biodiversity Heritage Library for historical publications referencing Azolla pinnata.

Synonyms:

• Azolla imbricata (Roxb. ex Griff.) Nakai [= Azolla pinnata subsp. asiatica]
  
• Salvinia imbricata Roxb. ex Griff. [≡ Azolla pinnata subsp. asiatica]
  

Check other web resources for Azolla pinnata R. Br.:

• Flora of North America: Collaborative Floristic Effort of North American Botanists
• AVH: Australia's Virtual Herbarium
• SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Images:

• Forestry Images: from www.forestryimages.org

More:

• Check PlantSystematics.org for additional images
• Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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