Echinodorus americanus P057, live aquarium plant. Buy 2 gets 1 FREE All our plants pass USDA requirement Imported from the Rain Forrest in Thailand - USDA Certified. This sword plant grows very large and well suited in aquariums up to 200 litres. Submersed leaves are 2-3cm wide and bottle green in colour. This variety is especially suited to being mixed with other Echinodorus in South American landscapes with colorful fishes.