Hygrophila difformis Water Wisteria Restricted in CA,AZ,TX,LA,EU Decorative, suitable plant for all kinds of aquaria. Comes out best if planted cascading from back to front. Plant fairly densely. This will create a luxuriant layout whilst suppressing the desire to grow into a creeping habit rather than upright. Its unique leaf structure makes this Hygrophila a valuable aquarium plant. Can be used also for Dutch style "streets".