ceratodon purpureus and xantoria parietina lichen, purple moss, burned ground moss with yellow lichen on the stone

arthonia biology botanical botany bright capsule ceratodon closeup colony color common copy cyanobacteria detail dioicous ecology ecosystem environment fire foliose forkmoss fungus gray green habitat horn lichen macro molendoi moss orange organism parietina patches pattern physciae purity purple purpureus red redshank rock scale species stone sunny surface teloschistaceae texture thallus toothed xanthoriicola xantoria yellow