Jack Dykinga / Border wall with razor wire at the Mexican / United States border in Arizona, where the newer taller sections of the border wall pushed by President Trump are being erected in the environmentally sens...
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John Shaw / Hybrid Poplar tree plantation in autumn (Populs sp.). Boardman Tree Farm, near Irrigon, Oregon, USA. October.
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John Shaw / Large leaves on Pacific blackberry (Rubus ursinus) above bracken fern and horsetail, is a small wet area. Oregon, USA. June.
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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 / Birdcage evening primrose (Oenothera deltoides) and desert golds (Geraea canescens) carpet the sandy washes beneath the Calumet Mountains at dawn. Mojave Trail National Monument, Mojave Desert, Califo...
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Jack Dykinga / Birdcage evening primrose (Oenothera deltoides) and desert golds (Geraea canescens) carpet the sandy washes beneath the Calumet Mountains, under the Milky Way. Mojave Trail National Monument, Mojave D...
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Jen Guyton / Prairie smoke / Old man's whiskers flowers (Geum triflorum) San Juan National Forest, Durango, Colorado, USA, May.
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Jack Dykinga / Navajo Dome at dawn with autumn coloured Cottonwoods (Populus) lining the Fremont River Capitol Reef National Park, Utah, USA, October 2017.
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Jack Dykinga / Twisted Saguaro cactus (Carnegiea gigantea) Catalina State Park, near Tucson, Arizona, USA, September.
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Jack Dykinga / Twisted Saguaro cactus (Carnegiea gigantea) Catalina State Park, near Tucson, Arizona, USA, September.
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Wendy Shattil / Saguaro cactus (Carnegiea gigantea) silhouetted at sunset, Organ Pipe Cactus National Monument, Arizona, USA, March 2020. Medium repro only
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Rolf Nussbaumer / Giant sequoia (Sequoiadendron giganteum) in forest at night. Sequoia and Kings Canyon National Parks, California, USA. October 2013.
