Steve Nicholls / Lava field with growth of Dotted polypody fern (Polypodium pellucidum), Kilauea, Hawaii, USA, August 2008
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Steve Nicholls / Eruption of Kilauea volcano with lava fields in foreground and growth of Dotted polypody fern (Polypodium pellucidum), Hawaii, USA, August 2008