peltigera aphthosa malacea growing in forest. peltigera aphthosa growing among moss. peltigera aphthosa close-up.

malacea lichen green background surface peltigeraceae ecology environment moss peltigera nature texture closeup natural rough freckle weathered felt biology botany leafy plant dog pattern textured fungi summer flora photo genus karelia common distribution disputes humidity families growth nostoc garden coccomyxa dampness spotted lichenized algae warty peltigerales white crowded