Vesicularia dubyana "Christmas moss" It is commonly name as "Christmas tree moss'' because of its side branch structure which distinguishes it from ordinary Vesicularia dubyana and looks like fir tree branches. It is more demanding than ordinary Java moss and grows more slowly.In the aquarium it is cultivated attached to stones or wood or even glass. Initially it grows slowly but once attached it grows very fast. A hardy plant which is very most popular. Description pH range: 6-7.5 Read more