Jack Dykinga / Skeleton of Saguaro cactus, (Carnegia gigantea) dead due to drought, and Prickly pear cacti (Opuntia sp), in the Ironwood National Monument, Arizona, USA, April 2021.
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Jack Dykinga / Skeletonized Saguaro cactus, (Carnegia gigantea) dead due to drought, and prickly pear cacti (Opuntia sp), in the Ironwood National Monument, Arizona, USA, April 2021.
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Jack Dykinga / Hedgehog cactus (Echinocereus engelmannii) lying dead amid the dead arms of a Chain chola cactus (Opuntia fulgida). The extended drought is even killing plants that are drought tolerant. Ironwood Fore...
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Jack Dykinga / Prickly pear cactus (Opuntia engelmannii) that is drought stressed as well as having been gnawed at by rodents that need the moisture. In the background, a young Saguaro cactus (Carnegiea gigantea) wi...
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Jack Dykinga / Prickly pear cactus (Opuntia engelmannii) that is drought stressed as well as having been gnawed at by rodents that need the moisture. In the background, a young Saguaro cactus (Carnegiea gigantea) wi...
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Jack Dykinga / Santa Catalina Mountains with a drought-stricken Giant saguaro cactus (Carnegiea gigantea). The foreground was previously covered with Prickly pear cacti (Opuntia engelmannii) before the drought, Cata...
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Jack Dykinga / Drought stressed and dying Prickly pear cacti (Opuntia engelmannii), in the Tucson Mountains at evening light, Saguaro National Park, Arizona, USA. January 2021.
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Jack Dykinga / Drought stressed and dying Prickly pear cacti (Opuntia engelmannii) next to a deeply furrowed, young Giant saguaro cactus (Carnegiea gigantea), Tucson Mountains at evening light, Saguaro National Park...
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Jack Dykinga / Drought stressed and dying Prickly pear cacti (Opuntia engelmannii), in the Tucson Mountains at evening light, Saguaro National Park, Arizona, USA. January 2021.
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Jack Dykinga / Drought stressed and dying Prickly pear cacti (Opuntia engelmannii), in the Tucson Mountains at evening light, Saguaro National Park, Arizona, USA. January 2021.
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Jack Dykinga / Santa Catalina Mountains at sunset after a storm with snow, Giant saguaro cactus (Carnegiea gigantea), Prickly pear cacti (Opuntia engelmannii) and grasses, Catalina State Park, Sonoran Desert, Arizon...
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Jack Dykinga / Santa Catalina Mountains with a drought-stricken Giant saguaro cactus (Carnegiea gigantea). The foreground was previously covered with Prickly pear cacti (Opuntia engelmannii) before the drought, Cata...
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Jack Dykinga / Saguaro (Carnegiea gigantea) and Chain cholla (Cylindropuntia fulgida) cacti with Rugged Top Mountain, Silverbell Range in background, at sunset. Ironwood National Monument, Arizona, USA. February 202...
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Jack Dykinga / Sonoran Desert with Saguaro (Carnegiea gigantea), Teddy bear cholla (Cylindropuntia bigelovii), Ocotillo (Fouquieria splendens) and flowering Brittlebush (Encelia farinosa). Cabeza Prieta National Wil...
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Jack Dykinga / Saguaro (Carnegiea gigantea) and Chain cholla (Cylindropuntia fulgida) cacti in Sonoran Desert at sunset, mountains in background. Ironwood National Monument, Arizona, USA. March 2020.
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Jack Dykinga / Chain cholla (Cylindropuntia fulgida) in Sonoran Desert in evening light, Saguaro (Carnegiea gigantea) and Ragged Top Mountain in background. Ironwood National Monument, Arizona, USA. March 2020.
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Jack Dykinga / Chain cholla (Cylindropuntia fulgida) and Saguaro (Carnegiea gigantea) cacti in Sonoran Desert, at dawn. Ironwood National Monument, Arizona, USA.
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Fred Olivier / Timelapse of an Engelmann's prickly pear (Opuntia Engelmannii) flowering, Castle Valley, Utah, USA, 2018
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Fred Olivier / Timelapse of Engelmann's prickly pear (Opuntia Engelmannii) flower opening,Castle Valley, Utah, USA.
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Fred Olivier / Timelapse of Engelmann's prickly pear (Opuntia Engelmannii) flowering, Castle Valley, Utah, USA, 2018
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Fred Olivier / Timelapse of Engelmann's prickly pear (Opuntia Engelmannii) flowering, with Castleton Tower in the background, Castle Valley, Utah, USA, 2018
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Fred Olivier / Timelapse of Engelmann's prickly pear (Opuntia Engelmannii) flowering, Castle Valley, Utah, USA, 2018
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Claudio Contreras / Sonoran Desert with Teddy-bear cholla (Cylindropuntia bigelovii), Saguaro (Carnegiea gigantea) and Brittlebush (Encelia farinosa). El Colorado volcano in background. El Pinacate Biosphere Reserve, nor...
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Claudio Contreras / Sonoran Desert with Saguaro (Carnegiea gigantea) and Teddy-bear Cholla (Cylindropuntia bigelovii) cactic, alongside Ocotillo (Fouquieria splendens). El Pinacate Biosphere Reserve, Sonoran Desert, nort...
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Claudio Contreras / Sonoran Desert on volcanic soil with Teddy-bear cholla (Cylindropuntia bigelovii), Saguaro (Carnegiea gigantea) and ocotillo (Fouquieria splendens). El Tecolote volcano, El Pinacate Biosphere Reserve,...
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John Cancalosi / Saguaro cactus (Carnegiea gigantea) and Prickly pear cactus (Opuntia) Sonoran Desert, Arizona, USA.
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Jack Dykinga / Prickly pear cactus (Opuntia engelmannii) amid grassland and and Sotol (Dasylirion leiophyllum) plants, with the sun setting over distant ridges in the Sierra Carmen. Maderas del Carmen Natural Preser...
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Jack Dykinga / Prickly pear cactus (Opuntia engelmannii) and Sotol (Dasylirion leiophyllum) with the sun setting over rocky outcrops in the Sierra Carmen. Maderas del Carmen Natural Preserve, Coahuila, Mexico
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Philippe Clement / Staghorn cholla {Cylindropuntia / Opuntia versicolor}, Engelmann's prickly pear {Opuntia engelmannii} and other cacti species, Saguaro NP, Arizona, USA
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Philippe Clement / Engelmann's prickly pear {Opuntia engelmannii} and Saguaro cactus {Carnegiea gigantea}, Organ Pipe Cactus National Monument, Arizona, USA
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Philippe Clement / Engelmann's prickly pear {Opuntia engelmannii}, Organ Pipe Cactus National Monument, Arizona, USA May 2007
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Philippe Clement / Engelmann's prickly pear {Opuntia engelmannii / phaeacantha} showing fruit and flower, Saguaro NP, Arizona
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Philippe Clement / Engelmann's prickly pear {Opuntia engelmannii / phaeacantha} showing fruit and flower, Saguaro NP, Arizona
Jack Dykinga / Hedgehog Cactus (Echinocereus engelmanni) with pink / purple flowers, Teddy Bear Chollas (Opuntia bigelovii) in the distance, Joshua Tree National Park, California
