Cyathus striatus, known as the fluted bird's nest fungus

Fluted bird's nest fungus, Cyathus striatus, mushroom from Finland

Bird's Nest FungusCyathusCyathus striatusFinlandFluted bird's nestFluted bird's nest fungusFluted birds nestbirds nest fungusflutedfungifungusmushroommushroomsmycologyperidioleperidiolespesäsienisplash cupsporesporesstriatusuurrepesäsieni