huperzia selago, the northern firmoss or fir clubmoss,

abstract ascomycota beautiful beauty camtschadalis catoscopium closeup design detail environment europe france fungi fungus gray growing growth grunge lasallia lecanoromycetes lichen life material mycology natural nature nigritum outdoor pattern pezizomycotina pustulata rock rough science season stone surface texture textured tripe umbilicariaceae white winter xanthoparmelia