Taxon: Ceratopteris thalictroides (L.) Brongn.

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

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:

CAª.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Common names:

• water fern   (Source: Dict Rehm ) – English
  
• water horn fern   (Source: Slocum & Robinson) – English
  
• water sprite   (Source: Slocum & Robinson) – English
  
• mizu-warabi   (Source: Dict Rehm ) – Japanese Rōmaji
  
• helecho de Sumatra   (Source: B. León, p.c) – Spanish (Peru)
  
• smal vattenbräken   (Source: Vara kulturvaxt namn ) – Swedish
  

Economic importance:

• Environmental: ornamental   (fide Dict Gard)
  
• Human food: vegetable   (fide Mansf Ency)
  
• Weed   (fide Econ FWeed)
  

More:

View ethnobotanical data from Duke's Phytochemical and Ethnobotanical Databases

View ethnobotanical data from Moerman's Native American Ethnobotany Database

Distributional range:

• AFRICA
  Northeast Tropical Africa: Ethiopia; Somalia; Sudan; Yemen - Socotra
  East Tropical Africa: Kenya; Tanzania [incl. Zanzibar]; Uganda
  West-Central Tropical Africa: Burundi; Cameroon; Gabon; Zaire
  West Tropical Africa: Cote D'Ivoire; Ghana; Liberia; Nigeria; Senegal; Sierra Leone; Togo
  South Tropical Africa: Angola; Mozambique; Zambia; Zimbabwe
  Southern Africa: Botswana; Namibia; South Africa - KwaZulu-Natal; Swaziland
  Western Indian Ocean: Madagascar; Seychelles
• ASIA-TEMPERATE
  China: China - Guangdong, Guangxi
  Eastern Asia: Japan - Honshu, Kyushu, Ryukyu Islands, Shikoku
• ASIA-TROPICAL
  Indian Subcontinent: India; Nepal; Sri Lanka
  Indo-China: Thailand; Vietnam
  Malesia: Indonesia; Papua New Guinea; Philippines
• AUSTRALASIA
  Australia: Australia - Northern Territory [n.], Queensland, Western Australia [n.]
• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Southeastern U.S.A.: United States - Florida
  Mexico
• PACIFIC
  North-Central Pacific: United States - Hawaii
  Northwestern Pacific: Guam; Micronesia
  Southwestern Pacific: Solomon Islands
• SOUTHERN AMERICA
  Caribbean: Jamaica; Puerto Rico; Trinidad and Tobago
  Mesoamerica: Costa Rica; El Salvador; Guatemala; Nicaragua; Panama
  Northern South America: French Guiana; Guyana; Suriname; Venezuela
  Brazil: Brazil
  Western South America: Colombia; Ecuador

• possibly adventive or naturalized weed in some areas

• also cultivated

• exact native range obscure

References:

• PROTABASE, the information base of PROTA (Plant Resources of Tropical Africa) (on-line resource).
• 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).
• Boggan, J. et al. 1997. Checklist of the plants of the Guianas, ed. 2.
• Davidse, G. et al., eds. 1994. Flora mesoamericana.
• Dyer, R. A. et al., eds. 1963–. Flora of southern Africa.
• Exell, A. W. et al., eds. 1960–. Flora zambesiaca.
• FNA Editorial Committee. 1993–. Flora of North America.
• George, A. S., ed. 1980–. Flora of Australia.
• Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14.
• Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6.
• Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening.
• Iwatsuki, K. et al. 1993–. Flora of Japan.
• Johns, R. J. 1991. Pteridophytes of Tropical East Africa.
• Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1:Psilotaceae through Dicksoniaceae). Pteridologia 2A:108.
• León, B. 2012. pers. comm.
• Lloyd, R. M. 1974. Systematics of the genus Ceratopteris Brongn. (Parkeriaceae) II. Taxonomy. Brittonia 26:150–152.
• Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054.
• Parham, J. W. 1972. Plants of the Fiji islands, revised ed.
• Proctor, G. R. 1985. Ferns of Jamaica. A guide to the pteridophytes.
• Proctor, G. R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53:1-389.
• Reed, C. F. 1977. Economically important foreign weeds: potential problems in the United States.
• Rehm, S. 1994. Multilingual dictionary of agronomic plants.
• Slocum, P. D. et al. 1996. Water gardening: water lilies and lotuses.
• Smitinand, T. & K. Larsen, eds. 1985. Flora of Thailand. [published in 1822].
• Steyermark, J. A. et al., eds. 1995–. Flora of the Venezuelan Guayana.
• Thulin, M., ed. 1993–. Flora of Somalia.
• Turrill, W. B. et al., eds. 1952–. Parkeriaceae. In: Turrill, W. B. et al., eds., Flora of tropical East Africa.

More:

Search AGRICOLA article citation database for citations referencing Ceratopteris thalictroides.

Search NCBI's Entrez search engine for PubMed citations referencing Ceratopteris thalictroides.

Search Biodiversity Heritage Library for historical publications referencing Ceratopteris thalictroides.

Synonyms:

• (≡) Acrostichum thalictroides L. (basionym)
  

Check other web resources for Ceratopteris thalictroides (L.) Brongn.:

• Flora of North America: Collaborative Floristic Effort of North American Botanists
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• BONAP: North American Plant Atlas of the Biota of North America Program
• AVH: Australia's Virtual Herbarium
• ABRS: Australian Biological Resources Study Flora of Australia online
• SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
• On-line Flora of Zimbabwe
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops
• PROTABASE: Plant Resources of Tropical Africa's (PROTA's) online resource
• 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.

Check other web resources for images:

• PlantSystematics.org
• 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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