OLD MAN'S BEARD LICHEN One Gallon Bag: Old Man's Beard is unique, long hair-like lichen. Its colors range from bluish-green to whitish yellow. This bag of old man's beard includes long strands as well as smaller tufts, for use in an assortment of your floral arrangements. Can be moistened to restore pliability. Lasts a long time if kept out of light. 1 Gallon bag