Nechamandra alternifolia (Roxb. ex Wight) Thwaites, Enum. Pl. Zeyl. 332 1864. (Syn: Lagarosiphon alternifolia (Roxb. ex Wight) Druce; Lagarosiphon alternifolius (Roxb.) Druce; Lagarosiphon roxburghii (Planch.) Benth.; Nechamandra roxburghii Planch.; Vallisneria alternifolia Roxb. ex Wight; Vallisneria alternifolia Roxb.);
This species is found in southern China, Bangladesh, India, Nepal, Sri Lanka, Myanmar and Viet Nam. It has been declared as a noxious weed in North America.
This aquatic hydrogeophyte occurs in ponds, lakes and slow-moving rivers and channels. It grows as a submerged stem plant which is attached to the substrate.
(From IUCN Red List (LC) )
Wetland :: Aquatic plant for identification :: 140314MK :: March 005 : 6 posts by 4 authors. Attachments (4).
Please help me in identifying this aquatic submerged plant herb.
Alt.: 52 m asl
Place: Ariyalur dist., TN
Date: 05 Mar 2014
It may be Najas
May be Najas guadalupensis
Pl. check with Nechamandra alternifolia (Roxb.) Thwaites
This is Nechamandra alternifolia
Aquatic :: Nechamandra sp for ID : 270614MK :: June007 : 5 posts by 4 authors. Attachments (5).
Please help me in identifying this aquatic plant. Is this a Nechamandra sp.?
Was quite abundant in that low waters.
Location: a wetland in Thanjore Dist., TN
Alt.: 55 m asl
Date: 30 Nov 2013
Nechamandra alternifolia (Roxb.) Thw. Hydrocharitaceae is reported from Tamilnadu
Thanks for confirming …