Najas marina

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Bibliography

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
PLANTAE	TRACHEOPHYTA	LILIOPSIDA	HYDROCHARITALES	HYDROCHARITACEAE

Scientific Name:

Najas marina

Species Authority:

Infra-specific Taxa Assessed:

See Najas marina ssp. arsenariensis

See Najas marina ssp. ehrenbergii

Common Name/s:

English	–	Holly-leaved Naiad
French	–	Naja de Marine

Synonym/s:

Caulinia muricata Spreng

Najas marina subspecies genuina K.Schum.

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Published:	2011
Assessor/s:	Mani, S.
Reviewer/s:	Lakshminarasimhan, P., Gunaga, S., Anitha, K., Raghavan, R., Rasingam, L. & Molur, S.
Contributor/s:	Molur, S.
Justification: Although there is no detailed information about this species populations, it covers a wide geographic range and seems to be common in its habitat. No major threats have been reported and the species is therefore listed as Least Concern.

Geographic Range [top]

Range Description:	This is a widespread cosmopolitan species which occurs all over the world. Recorded from most countries in Europe and Africa. Also widespread across Asia, and South and North America.
Countries:	Native: Åland Islands; Albania; Algeria; Andorra; Argentina; Aruba; Australia (Coral Sea Is. Territory, New South Wales, Northern Territory, Victoria, Western Australia); Austria; Bahamas; Belgium; Belize; Bhutan; Bolivia, Plurinational States of; Bosnia and Herzegovina; Botswana; Bulgaria; Burundi; Canada; China (Guizhou, Hebei, Henan, Jiangsu, Shandong, Sichuan, Yunnan); Congo, The Democratic Republic of the; Croatia; Cuba; Cyprus; Czech Republic; Denmark; Dominica; Ecuador (Galápagos); Egypt; El Salvador; Eritrea; Estonia; Faroe Islands; Finland; France; Germany; Gibraltar; Greece; Greenland; Guernsey; Haiti; Holy See (Vatican City State); Hungary; Iceland; India; Indonesia (Maluku); Iran, Islamic Republic of; Iraq; Ireland; Isle of Man; Italy; Jamaica; Japan; Jersey; Kazakhstan; Korea, Democratic People's Republic of; Korea, Republic of; Kyrgyzstan; Latvia; Lebanon; Libya; Liechtenstein; Lithuania; Luxembourg; Macedonia, the former Yugoslav Republic of; Madagascar; Malawi; Malta; Mauritius; Monaco; Montenegro; Morocco; Mozambique; Myanmar (Myanmar (mainland)); Namibia (Namibia (main part)); Netherlands; Norway; Pakistan; Palestinian Territory, Occupied; Panama; Peru; Poland; Portugal; Puerto Rico; Romania; Russian Federation (Altay, Amur, Buryatiya, Chita, Khabarovsk, Krasnoyarsk, West Siberia); Rwanda; Saint Pierre and Miquelon; San Marino; Serbia (Serbia); Slovakia; Slovenia; South Africa (Eastern Cape Province, KwaZulu-Natal); Spain; Sri Lanka; Svalbard and Jan Mayen; Sweden; Switzerland; Syrian Arab Republic; Taiwan, Province of China; Tajikistan; Tanzania, United Republic of; Tunisia; Turkey; Turkmenistan; Uganda; United Kingdom; United States; Uzbekistan; Venezuela (Venezuela (mainland)); Viet Nam; Zambia; Zimbabwe
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	No information on its global population although it can be found all over the world. It can be dominant in freshwater habitats.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	It grows in ponds, slow-moving streams and rivers, and lakes. Sometimes it can be seen in paddy fields.
Systems:	Freshwater

Threats [top]

Major Threat(s):	No major threats to this species have been reported.

Major Threat(s):

No major threats to this species have been reported.

Conservation Actions [top]

Conservation Actions:	No conservation information on this species.

Conservation Actions:

No conservation information on this species.

Bibliography [top]

	Agami, M. and Waisel, Y. 1984. Germination of Najas marina L. Aquatic Botany 19: 37-44. IUCN. 2011. IUCN Red List of Threatened Species (ver. 2011.1). Available at: http://www.iucnredlist.org. (Accessed: 16 June 2011). Missouri Botanical Garden, St. Louis, MO and Harvard University Herbaria, Cambridge, MA. 2010. eFloras. Available at: http://www.efloras.org. USDA, ARS, National Genetic Resources Program. 2010. Germplasm Resources Information Network - (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Available at: http://www.ars-grin.gov/cgi-bin/npgs/html/index.pl. WCSPF. 2010. World Checklist of Selected Plant Families. Available at: http://www.kew.org/wcsp/.

Agami, M. and Waisel, Y. 1984. Germination of Najas marina L. Aquatic Botany 19: 37-44.

IUCN. 2011. IUCN Red List of Threatened Species (ver. 2011.1). Available at: http://www.iucnredlist.org. (Accessed: 16 June 2011).

Missouri Botanical Garden, St. Louis, MO and Harvard University Herbaria, Cambridge, MA. 2010. eFloras. Available at: http://www.efloras.org.

USDA, ARS, National Genetic Resources Program. 2010. Germplasm Resources Information Network - (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Available at: http://www.ars-grin.gov/cgi-bin/npgs/html/index.pl.

WCSPF. 2010. World Checklist of Selected Plant Families. Available at: http://www.kew.org/wcsp/.

Citation:	Mani, S. 2011. Najas marina. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 18 June 2013.
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