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

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