9 items were found for the name "Usnea hirta" (accepted names only)
Usnea hirta (L.) Weber ex F. H. Wigg.
Usnea hirta (L.) Weber ex F. H. Wigg. subsp. hirta
Usnea hirta (L.) Weber ex F. H. Wigg. var. hirta
Usnea hirta f. sorediella (H. Olivier) H. Olivier
Usnea hirta subsp. helvetica Motyka
Usnea hirta subsp. trachista (Motyka) P. Clerc
Usnea hirta var. humilis H. Olivier; nom. confus.