Taxon: Wolffia arrhiza (L.) Horkel ex Wimm.

 
Genus: Wolffia
Section: Wolffia
Family: Araceae
Subfamily: Lemnoideae
Nomen number: 403878
Place of publication: Fl. Schles. ed. 3, 140. 1857
Link to protologue:
Typification:
Name Verified on: 20-Dec-1995 by ARS Systematic Botanists. Last Changed: 13-Dec-2002
Species priority site is:
Accessions: 0 in National Plant Germplasm System

Synonyms:

Common names:

  • rootless duckweed  (Source: BSBI) - English
  • wurzellose Zwergwasserlinse  (Source: Zander Ency) - German

Economic Importance:

  • Animal food: fodder ()
  • Weed: ()

Distributional Range:

    Native

    Africa
    • NORTHERN AFRICA: Algeria, Morocco
    • EAST TROPICAL AFRICA: Kenya, Tanzania, Uganda
    • WEST-CENTRAL TROPICAL AFRICA: Burundi, Rwanda
    • WEST TROPICAL AFRICA: Cote D'Ivoire, Ghana, Nigeria, Senegal, Togo
    • SOUTH TROPICAL AFRICA: Angola, Mozambique
    • SOUTHERN AFRICA: Botswana, South Africa [Cape Province, KwaZulu-Natal, Transvaal]
    • WESTERN INDIAN OCEAN: Madagascar

    Asia-Temperate
    • WESTERN ASIA: Iran, Israel
    • CAUCASUS: Georgia

    Asia-Tropical
    • INDIAN SUBCONTINENT: India [Jammu and Kashmir]

    Europe
    • NORTHERN EUROPE: United Kingdom
    • MIDDLE EUROPE: Austria, Belgium, Germany, Hungary, Netherlands, Poland
    • EASTERN EUROPE: Belarus, Ukraine
    • SOUTHEASTERN EUROPE: Bulgaria, Croatia, Italy (incl. Sicily), Romania, Serbia, Slovenia
    • SOUTHWESTERN EUROPE: France, Portugal, Spain

    Southern America
    • BRAZIL: Brazil [Rio de Janeiro]


    Naturalized

    Asia-Temperate
    • EASTERN ASIA: Japan

    Europe
    • MIDDLE EUROPE: Czech Republic, Slovakia

    Northern America
    • SOUTHWESTERN U.S.A.: United States [California (s.)]

    Southern America
    • BRAZIL: Brazil


References:

  1. Botanical Society of the British Isles BSBI taxon database (on-line resource). (BSBI)
  2. Erhardt, W. et al. Der große Zander: Enzyklopädie der Pflanzennamen. 2008 (Zander Ency)
  3. Euro+Med Editorial Committee Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). (EuroMed Plantbase)
  4. FNA Editorial Committee 2000. Flora of North America. (F NAmer) 22:152.
  5. Govaerts, R. & D. G. Frodin World checklist and bibliography of Araceae (and Acoraceae). 2002 (L Araceae)
  6. Hickman, J. C., ed. The Jepson manual: higher plants of California. 1993 (F CalifJep)
  7. Holm, L. et al. A geographical atlas of world weeds. 1979 (Atlas WWeed)
  8. Jardin botanique national de Belgique Flore du Congo, du Rwanda et du Burundi (Flore d'Afrique centrale). (F Afr Centr)
  9. Landolt, E. 1986. Biosystematic investigations in the family of duckweeds (Lemnaceae). 2. The family of Lemnaceae - a monographic study Veröff. Geobot. Inst. ETH Stiftung Rübel Zürich 71:366.
  10. Landolt, E. 1994. Taxonomy and ecology of the section Wolffia of the genus Wolffia (Lemnaceae) Ber. Geobot. Inst. E. T. H. Stiftung Rübel 60:147-148.
  11. Landolt, E. 1996. pers. comm. (pers. comm.)
  12. Saldanha, C. J. & D. H. Nicolson Flora of Hassan district. (F Hassan)
  13. Turrill, W. B. et al., eds. Flora of tropical East Africa. (F TE Afr)
  14. Tutin, T. G. et al., eds. Flora europaea. (F Eur)

Check other web resources for Wolffia arrhiza (L.) Horkel ex Wimm. :


Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2018. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=403878. Accessed 23 June 2018.