life survives as green plant in icelandic cinders

aerial ash background basalt beige cinders closeup color colorful green growing iceland particles pieces plant purple red rejuvinate rejuvination scoria scree small succession sunshine vegetation view volcanic weed moss mosses bryophyte bryophytes tuft tussock alluvium sparsely vegetated land perennial erosion control spring gravel plain plains life survives prevails eke ekes out existence nutrients stark vesicular oxidation iron oxidized explosive eruption