Usnea subfloridana - <p><i><b>Usnea subfloridana</b></i> Stirton, 1882 </p> <p>Photograph of a herbarium specimen showing branches with abundant fibrils, soredia, isidia, and a black base. </p> <p>Spot test on white medulla: K+ yellow turning red. </p> <p>This specimen of <i>Usnea subforidana</i> was growing on a tree trunk along Little Cape Point Trail on Great Wass Island in Washington County, Maine, USA. </p> <p>Collected and determined by E.C. Uebel (No. U-205B, 14 Jun 2001) </p> © Ed Uebel - CC-BY-SA-3.0 - Wikimedia Commons
Foret d'Orient - Tourbiere des Dauges