Echinodorus

Echinodorus maculatus

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Common name : burhead
Family : Alismataceae
Genus :  Echinodorus

Echinodorus is a genus of 28 species of annual or perennial plants of the family Alismataceae. This aquatic plants grow in  ponds or aquarium.

Nelumbo nucifera (sacred Lotus)

Common names : Lotus, Indian lotus, Sacred Lotus, Padma (India).
Family : Nelumbonaceae
Genus : Nelumbo

Nelumbo nucifera is an aquatic perennial plant native to Tropical Asia and Australia. This plant is commonly called sacred (water)lotus because its role as a spiritual symbol in some religions such as Hinduism and Buddhism.