410-Chartreuse Lichen 1 Gallon bag Reindeer Moss, Wolf Lichen: Chartreuse Lichen or reindeer moss generally comes in a bright neon green color. This lichen is often in the shape of a tuft and ranges in size from 1 inch to 4 inches. Adds that extra touch to make your arrangement stand out. Can be moistened to restore pliability. Lasts indefinitely if kept out of light. 1 Gallon Bag of Lichen.