Azolla cristata

Taxonavigation

Taxonavigation: Salviniales
Superregnum: Eukaryota Regnum: Plantae Divisio: Tracheophyta Divisio: Pteridophyta Classis: Polypodiopsida Ordo: Salviniales

Familia: Salviniaceae
Genus: Azolla
Species:

Name

Azolla cristata Kaulf., Enum. Filic.: 274 (1824).

Synonyms

Homotypic
- Azolla filiculoides subsp. cristata (Kaulf.) Fraser-Jenk., Bull. Natl. Mus. Nat. Sci., Tokyo, B 38(4): 178 (2012).
Heterotypic
- Azolla microphylla Kaulf., Enum. Filic.: 273 (1824).
- Azolla densa Desv., Mém. Soc. Linn. Paris 6(2): 178 (1827).
- Salvinia azolla Raddi, Pl. Bras. Nov. Gen. 1: 2, t. 1, f. 3 (1825).
- Azolla portoricensis Spreng., Syst. Veg., ed. 16, 4(1): 9 (1827).
- Azolla mexicana Schltdl. & Cham. ex Kunze, Linnaea 18: 352 (1845).
- Azolla bonariensis Bertol., Misc. Bot. 21: t. 5, f. 2a,b (1861).

Distribution

Native distribution areas:

Continental: Europe (introduced)
- Regional: Middle Europe
  - Belgium, Germany, Netherlands.
- Regional: Southwestern Europe
  - France, Portugal, Spain.
- Regional: Southeastern Europe
  - Bulgaria, Italy, Romania, Sicilia.
- Regional: Eastern Europe
  - Ukraine.
Continental: Africa (introduced)
- Regional: Northern Africa
  - Egypt.
- Regional: South Tropical Africa
  - Mozambique.
- Regional: Southern Africa
  - KwaZulu-Natal, Eswatini, Northern Provinces.
Continental: Asia-Temperate (introduced)
- Regional: Western Asia
  - Türkiye.
- Regional: Eastern Asia
  - Japan.
Continental: Asia-Tropical (introduced)
- Regional: Indian Subcontinent
  - Bangladesh, India, West Himalaya.
Continental: Pacific
- Regional: South-Central Pacific
  - Cook Islands.
Continental: Northern America
- Regional: Western Canada
  - British Columbia.
- Regional: Northwestern U.S.A.
  - Colorado, Oregon, Washington.
- Regional: North-Central U.S.A.
  - Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, Wisconsin.
- Regional: Northeastern U.S.A.
  - New York.
- Regional: Southwestern U.S.A.
  - Arizona, California, Nevada, Utah.
- Regional: South-Central U.S.A.
  - New Mexico, Texas.
- Regional: Southeastern U.S.A.
  - Arkansas.
- Regional: Mexico
  - Mexico Central, Mexico Northeast, Mexico Gulf, Mexico Northwest, Mexico Southwest, Mexico Southeast.
Continental: Southern America
- Regional: Central America
  - Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama.
- Regional: Caribbean
  - Dominican Republic.
- Regional: Northern South America
  - Guyana, Venezuela.
- Regional: Western South America
  - Bolivia, Colombia, Ecuador, Galápagos, Peru.
- Regional: Brazil
  - Brazil West-Central, Brazil Northeast, Brazil North.
- Regional: Southern South America
  - Argentina Northeast, Paraguay.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

References

Primary references

Willdenow, C.L. 1810. Species Plantarum. Editio quarta. Tomus 5, pars 1. pp. [i]–l, 1–542. Berolini: G.C. Nauk. BHL Biblioteca Digital Reference page.

Links

Hassler, M. 2025. World Ferns. Checklist of Ferns and Lycophytes of the World. . Azolla cristata Accessed: 29 Jun 2025. Reference page.
Govaerts, R. et al. 2025. Azolla cristata in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 Jun 29. Reference page.
Tropicos.org 2025. Azolla cristata. Missouri Botanical Garden. Published online. Accessed: 29 Jun 2025. Reference page.
International Plant Names Index. 2025. Azolla cristata. Published online. Accessed: 29 Jun 2025. Reference page.
USDA, ARS, Germplasm Resources Information Network. Azolla cristata in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.