Myriophyllum implicatum
Myriophyllum implicatum is a species of water milfoil in the family Haloragaceae. Native to Australia, it occurs from the Gulf of Carpentaria, through southern Cape York Peninsula north-eastern New [South Wales] and eastern Queensland.
It was first described in 1986 by Anthony Orchard.
In New South Wales, it is listed as critically endangered, but under the Nature [Conservation Act 1992] of Queensland it is listed as of least concern.