John Shaw / Hybrid Poplar tree plantation in autumn (Populs sp.). Boardman Tree Farm, near Irrigon, Oregon, USA. October.
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Steve Downer / Timelapse of Sycamore tree (Acer pseudoplatanus) leaves developing, UK. March. Controlled conditions.
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Jack Dykinga / Western sword fern (Polystichum munitum) and Big leaf maple (Acer macrophyllum) trees that are covered with moss, Hoh Temperate Rainforest, Olympic National Park, Washington, USA. June 2017.
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Andres M. Dominguez / Great grey shrike (Lanius meridionalis) perched on a branch of Montpellier maple (Acer monspessulanum). Sierra de Grazalema Natural Park. southern Spain. December.
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Floris van Breugel / Late fall colors linger among the mossy trees (Acer macrophyllum) in the Hoh Rainforest in Olympic National Park. Washington, USA. November 2012
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Floris van Breugel / Emerging spring leaves adorn the mossy trees - Vine Maple (Acer circinatum) and Alder (Alnus rubra) in Mt Baker - Snoqualmie National Forest. Washington. April 2013
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Floris van Breugel / Japanese maple (Acer palmatum) leaves floating in a small pond in late autumn in Seattle's Washington Park Arboretum. Washington USA
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Juergen Freund / Lychee tree {Litchi chinensis} protected from birds with nets, Mareeba, Queensland, Australia
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Juergen Freund / Lychee plantation {Litchi chinensis} protected from birds with nets, Mareeba, Queensland, Australia
Heather Angel / Bumblebee (Bombus sp) nectaring on Indian horse chestnut flower (Aesculus indica). Yellow spots on banner petals turn pink as nectar resource declines. Orange pollen is pick ed up on wings and thorax...
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Nick Upton / Sycamore tree (Acer pseudoplatanus) flowers, Wiltshire, UK, May.