Scott Leslie / Black Spruce (Picea mariana) forest, Gros Morne National Park, Newfoundland, Canada
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Adam White / Black tree fern {Cyathea medullaris} in Eucalyptus forest, North Is, New Zealand
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Adam White / Black tree fern {Cyathea medullaris} North Is, New Zealand
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Adam White / Black tree fern {Cyathea medullaris} North Is, New Zealand
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Adam White / Black tree fern {Cyathea medullaris} North Is, New Zealand
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Adam White / Black tree fern {Cyathea medullaris} in Eucalyptus forest, North Is, New Zealand
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Guy Edwardes / Hawthorn (Crataegus monogyna) tree shaped by the prevailing wind, at sunset, The Black Mountains, Brecon Beacons National Park, Wales, UK. August.
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Guy Edwardes / Hawthorn (Crataegus monogyna) tree shaped by the prevailing wind, at sunset, The Black Mountains, Brecon Beacons National Park, Wales, UK. August.
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Tim Edwards / Black tree ferns (Sphaeropteris medullaris) along Rata track, Maungatautari Ecological Island Reserve, Waikato, North Island, New Zealand.
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Tim Edwards / Black tree ferns (Sphaeropteris medullaris) young ferns in understorey, Maungatautari Ecological Island Reserve, Waikato, North Island, New Zealand.