Kirkendall-Spring / Uluhe fern (Dicranopteris linearis) frond unfurling, Hawaii Volcanoes National Park, Hawaii. December 2016.
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Kirkendall-Spring / Uluhe fern (Dicranopteris linearis) frond unfurling, Hawaii Volcanoes National Park, Hawaii. December 2016.
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Kirkendall-Spring / Hawaii tree fern / Hapu'u (Cibotium glaucum) frond unfurling, Hawaii Volcanoes National Park, Hawaii. December 2016.
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Jack Dykinga / Close-up of a Western sword fern (Polystichum munitum) lamina unfurling, Redwood National Park, Prairie Creek, California, USA. May 2017.
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Jack Dykinga / Close-up of a Western sword fern (Polystichum munitum) lamina unfurling, Redwood National Park, Prairie Creek, California, USA. May 2017.
Chris Mattison / RF - Bracken (Pteridium aquilinum) unfurling frond in evening light. Catbrook, Monmouthshire, Wales, UK. June. Focus-stacked image. (This image may be licensed either as rights managed or royalty fre...
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Inaki Relanzon / Eagle fern (Pteridium aquilinum) frond unfurling, Montseny Natural Park, a UNESCO National Park and Biosphere Reserve, Barcelona, Catalonia, Spain, June 2016.