Usnea strigosa, commonly known as bushy beard lichen, is a fruticose lichen in the family Parmeliaceae.
Usnea strigosa has worldwide distribution. It is a common tree lichen in Eastern and Southeastern North America.[1][2]
This lichen is fruticose with 2 to 5 cm long branches and abundant terminal apothecia about 5 mm wide.[1]
Usnea strigosa has three recognized subspecies, major, rubiginea, and strigosa. There are also several chemotypes, bringing the current taxonomy into doubt.[1][3][4]
Usnea strigosa grows on trees. The most frequent hosts of this lichen are oak trees.[2] The photosynthetic symbionts of Usnea species are Chlorophyta green algae.
Usnea strigosa, commonly known as bushy beard lichen, is a fruticose lichen in the family Parmeliaceae.
