arctic tundra lichen moss close-up. cladonia rangiferina, also known as reindeer cup lichen

arctic tundra circle lichen moss closeup alpine extremely coldhardy cladonia rangiferina reindeer cup environment nature aged brown ecology finland scandinavia fungi natural nordic outdoor spores texture white wild yellow abundant examines taiga northern north grey gray polar food color flora climate bush green background wilderness close-up also known found primarily areas cold-hardy close-up cold-hardy lichen