Spirodela oligorrhiza

Spirodela oligorrhiza

Taxonavigation

Taxonavigation: Alismatales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Monocots Ordo: Alismatales

Familia: Araceae
Subfamilia: Lemnoideae
Genus: Spirodela
Species: Spirodela oligorrhiza

Name

Spirodela oligorrhiza (Kurz) Hegelm., Lemnac.: 147. 1868.

Synonyms

• Basionym
  • Lemna oligorrhiza Kurz, J. Linn. Soc., Bot. 9: 267. 1866.
• Heterotypic
  • Lemna melanorrhiza F.Muell. ex Kurz, J. Bot. 5: 115. 1867.
    • Spirodela oligorrhiza var. melanorrhiza (F.Muell. ex Kurz) Hegelm., Lemnac.: 148. 1868.
    • Spirodela melanorrhiza (F.Muell. ex Kurz) Hegelm., Bot. Jahrb. Syst. 21: 287. 1895.
  • Lemna pleiorrhiza F.Muell. ex Kurz, J. Bot. 5: 115. 1867.
    • Spirodela oligorrhiza var. pleiorrhiza (F.Muell. ex Kurz) Hegelm., Lemnac.: 149. 1868.
    • Spirodela pleiorrhiza (F.Muell. ex Kurz) Hegelm., Bot. Jahrb. Syst. 21: 288. 1895.
  • Lemna javanica F.A.Bauer ex Hegelm., Lemnac.: 150. 1868.
    • Spirodela oligorrhiza var. javanica Hegelm., Lemnac.: 150. 1868.
    • Spirodela javanica (Hegelm.) Hegelm., Bot. Jahrb. Syst. 21: 288. 1895.
  • Lemna pusilla Hegelm., Lemnac.: 147. 1868.
    • Spirodela oligorrhiza var. pusilla Hegelm., Lemnac.: 149. 1868.
    • Spirodela pusilla (Hegelm.) Hegelm., Bot. Jahrb. Syst. 21: 287. 1895.

Distribution

Native distribution areas:

Continental: Europe (all introduced) Regional: Middle Europe Netherlands. Regional: Southwestern Europe Portugal, Spain. Regional: Southeastern Europe Italy. Continental: Africa Regional: Northern Africa (introduced) Egypt. Regional: Macaronesia (introduced) Canary Islands. Regional: South Tropical Africa Zimbabwe. Regional: Southern Africa Cape Provinces, KwaZulu-Natal, Free State, Northern Provinces. Regional: Western Indian Ocean Mauritius, Madagascar. Continental: Asia-Temperate Regional: Western Asia (all introduced) Palestine, Turkey. Regional: China China South-Central, China Southeast, Tibet. Regional: Eastern Asia Japan, Taiwan. Continental: Asia-Tropical Regional: Indian Subcontinent Bangladesh, India, Maldives. Regional: Indo-China Thailand, Vietnam. Regional: Malesia Jawa, Malaya, Philippines, Sumatera. Continental: Australasia Regional: Australia Norfolk Islands, New South Wales, Northern Territory, Queensland, South Australia, Tasmania, Victoria, Western Australia. Regional: New Zealand Chatham Islands, New Zealand North, New Zealand South. Continental: Pacific Regional: Southwestern Pacific Fiji, New Caledonia, Vanuatu. Continental: Northern America (all introduced) Regional: Northwestern U.S.A. Oregon. Regional: North-Central U.S.A. Illinois, Missouri, Oklahoma. Regional: Northeastern U.S.A. Massachusetts, Pennsylvania. Regional: Southwestern U.S.A. Arizona, California. Regional: South-Central U.S.A. Texas. Regional: Southeastern U.S.A. Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia. Continental: Southern America (all introduced) Regional: Central America Costa Rica. Regional: Caribbean Puerto Rico, Windward Islands. Regional: Northern South America Guyana, Venezuela. Regional: Western South America Colombia. Regional: Brazil Brazil Southeast. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

• Hegelmaier, C.F. 1868. Die Lemnaceen. Eine monographische Untersuchung. 169 pp + 16 tab., Wilhelm Engelmann, Leipzig. BHL Reference page. 

Links

• Govaerts, R. et al. 2018. Spirodela oligorrhiza in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2018 Nov. 11. Reference page. 
• International Plant Names Index. 2018. Spirodela oligorrhiza. Published online. Accessed: Nov. 11 2018.
• Govaerts, R. et al. 2019. Spirodela oligorrhiza in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2019 Dec 1. Reference page. 
• Tropicos.org 2018. Spirodela oligorrhiza. Missouri Botanical Garden. Published online. Accessed: 11 Nov. 2018.

Vernacular names

English: Lesser Greater Duckweed

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