Cryptocoryne spiralis is a plant species belonging to the Araceae genus "Cryptocoryne". Cryptocoryne walkeri is a plant species belonging to the Aroid genus "Cryptocoryne". Some Cryptocoryne is popular commercially cultivated aquarium plants. As with all other Cryptocoryne cultivars, C. walkeri is subject to crypt melt. It is usually found growing alongside of "Cryptocoryne ciliata" and "Nypa fruticans". The genera "Cryptocoryne", "Anubias" and "Bucephalandra " are many popular aquarium plants. Cryptocoryne dewitii is a plant species belonging to the Araceae genus "Cryptocoryne". "Cryptocoryne walkeri" is considered to be of medium-difficulty to cultivate. "Cryptocoryne walkeri" has a more rigid and upright structure than most other Cryptocorynes. Cryptocoryne affinis is a plant species belonging to the Araceae genus "Cryptocoryne". Cryptocoryne is a genus of aquatic plants from the family Araceae. The first "Cryptocoryne" species was described in 1779 as "Arum spirale" by Retzius.