Hydrocleys is a genus of aquatic plants in the Alismataceae, native to the Western Hemisphere, though one is naturalized elsewhere and sold as an ornamental for decorative ponds and artificial aquatic habitats. At present (May 2014), five species are recognized: Image Scientific name Distribution Hydrocleys martii Seub. in C.F.P.von Martius Brazil, Argentina, Uruguay Hydrocleys mattogrossensis (Kuntze) Holm-Niels. & R.R.Haynes Brazil, Bolivia Hydrocleys modesta Pedersen Brazil, Argentina, Paraguay Hydrocleys nymphoides (Humb. & Bonpl. ex Willd.) Buchenau widespread across South America, Central America, Puerto Rico, Trinidad and the Netherlands Antilles. Also naturalized in Australia, New Zealand, South Africa, Fiji, New Caledonia, French Polynesia, Florida, Louisiana and TexasBiota of North America Program Image Hydrocleys parviflora Seub. in C.F.P.von Martius Mexico, Central America, Venezuela, Colombia, Bolivia, Brazil
References
External links Missouri Botanical Garden, Plant Finder, Gardening Help, water poppy