Parmelia sulcata, hammered shield lichen

Parmelia sulcata, commonly known as hammered shield lichen, cracked-shield lichen or powdered crottle, lichens from Finland

FinlandMarchParmeliaParmelia sulcatacosmopolitancrackedshieldcrackedshield lichencrottlefoliosefoliose lichenfurrowed shield lichengraygreyhammeredhammered shield lichenjäkälälichenlichensmaplepowderedpowdered crottlepowdered shieldraidanisokarveresupinateshieldspringsulcatatreetrunkwaxpaperwaxpaper lichen