Cryptocoryne Undulata Red

Red Undulated Crypt (Cryptocoryne undulatus "Red") is a well-known red crypt that is native to Sri Lanka. It can grow to a respectable size of around 12 inches (20 cm), although it can be kept at half that size. It makes an excellent midground plant, or even a background plant in smaller aquariums.

one portion includes a mature submersed plant 

crypts in Canada, Toronto