Jack Dykinga / Rainbow over Long Canyon with fall coloured Cottonwood (Populus) trees against canyon walls, Burr Trail, Grand Staircase-Escalante National Monument, Utah, USA, October 2018.
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Jack Dykinga / Waterfall over sandstone with cottonwood tree, Long Canyon , Burr Trail, Grand Staircase-Escalante National Monument, Utah, USA. October.
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Jack Dykinga / Long Canyon on the historic Burr Trail, with Douglas fir (Pseudotsuga menziesii) against the 'varnished' canyon walls. Grand Staircase-Escalante National Monument, Utah, USA. October 2018.
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Jack Dykinga / Long Canyon on the historic Burr Trail, with Douglas fir (Pseudotsuga menziesii) against the 'varnished' canyon walls with sheets of water flowing over the sandstone. Grand Staircase-Escalante...
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Jouan Rius / View over Waterpocket fold and Burr Trail Road, Grand Staircase-Escalante National Monument, Utah, USA, April 2014.
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Jouan Rius / View over Waterpocket fold and Burr Trail Road, Grand Staircase-Escalante National Monument, Utah, USA, March 2014.
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Jeff Foott / Coast Redwood (Sequoia sempervirens) burr, Redwood National Park, California
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Jeff Foott / Coast Redwood (Sequoia sempervirens) burr, Redwood National Park, California
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Jeff Foott / Coast Redwood (Sequoia sempervirens) burr, Redwood National Park, California
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Gary K. Smith / Beekeeper removing unproductive burr comb from Honey bee (Apis mellifera) hive.
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Albert Lleal / Medick (Medicago sp) fruit covered in spines to enable animal dispersal, magnification 17x
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Albert Lleal / Burdock (Arctium sp) entangled on the hair of a Domestic Dog (Canis familiaris), inspiration for the invention of Velcro
