Ruppia megacarpa

Ruppia megacarpa
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
Order:	Alismatales
Family:	Ruppiaceae
Genus:	Ruppia
Species:	R. megacarpa
Binomial name
Ruppia megacarpa R. Mason

Ruppia megacarpa is a submerged herb species in the genus Ruppia found in shallow brackish waters. It is a common on Australasian coasts, including Australia (NSW; SA; Vic; WA and New Zealand (type locality). Isolated populations have been currently found in East Asia, including Japan, Korea, and Far East Russia, hence, the species distribution exhibit latitudinally disjunct (antitropical) distribution between East Asia and Australasia.

This species is known to be hybridized to 'Occidentalis' of the R. maritima complex in Hokkaido, Japan.

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