6 items were found for the name "Usnea filipendula" (accepted names only)
Usnea filipendula Stirt. var. filipendula
Usnea filipendula var. bicolor (Motyka) N.S. Golubk.
Usnea filipendula var. hirtella Arnold; comb. invalid.
Usnea filipendula var. stramineola (Motyka) N.S. Golubk.; comb. invalid.