The term "Family Usneaceae" refers to a group of lichen species. These lichens are unique in that they consist of a symbiotic relationship between algae and fungi. While not a well-known term, there are a few synonyms that can be used to refer to this family of lichens. One common synonym is the "Old Man's Beard" family since the lichen often has a hair-like appearance. Another synonym for the Family Usneaceae is the "beard lichen" family. This refers to the beard-like appearance of the lichen. Overall, these synonyms help provide an alternative way of referring to this group of lichens, which can make it easier to understand and study.