''Ruppia polycarpa'' is a submerged aquatic herb species in the genus ''

Ruppia ''Ruppia'', also known as the widgeonweeds, ditch grasses or widgeon grass, is the only extant genus in the family Ruppiaceae, with 11 known species. These are aquatic plants widespread over much of the world. The genus name honours Heinrich Be ...

'' found in shallow brackish waters. It is a common submerged herb on Australasian coasts, including Australia (

NSW New South Wales (commonly abbreviated as NSW) is a state on the east coast of :Australia. It borders Queensland to the north, Victoria to the south, and South Australia to the west. Its coast borders the Coral and Tasman Seas to the east. T ...

; SA;

Vic Vic, vic or VIC may refer to: People and fictional characters * Vic (name), a list of people, fictional characters and mascots with the given name * V.I.C. (rapper) (born 1987), stage name of an American rapper Places * Vic, Spain, a town and ...

; WA) and New Zealand (type locality). It was first described in 1967 by

Ruth Mason Ruth Mason (7 November 1913 – 14 May 1990) was a New Zealand Botany, botanist specialising in the Taxonomy (biology), taxonomy and ecology of freshwater plants. She was employed at the Department of Scientific and Industrial Research ...

from a specimen
CHR 150837B
found near the mouth of the

Selwyn River The Selwyn River (, officially gazetted as Selwyn River / Waikirikiri) flows through the Selwyn District of Canterbury in the South Island of New Zealand. Description The river has its source in the Southern Alps and flows east for before e ...

, New Zealand, on the riverbed, on 27 February 1966 by J. Clarke. It grows in "fresh to hypersaline coastal lakes, lagoons and estuaries".

References

External links

*
''Ruppia polycarpa'' occurrence
data from

Australasian Virtual Herbarium The ''Australasian Virtual Herbarium'' (AVH) is an online resource that allows access to plant specimen data held by various Australian and New Zealand herbaria. It is part of the Atlas of Living Australia (ALA), and was formed by the amalgama ...

Brackish water plants polycarpa Plants described in 1967 {{Alismatales-stub