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X-ray of hibiscus --- Image by © Viaframe/Corbis
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Snowcovered forest --- Image by © Angelo Christo/Corbis
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Anemonae --- Image by © Image Source/Corbis
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Echeveria --- Image by © Leonard Gertz/Corbis
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Leaves Branching Out from Stem in Radial Pattern --- Image by © Ann Cutting/Corbis
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Giant dioon --- Image by © Leonard Gertz/Corbis
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New York City, New York State, USA --- Lighted trees at night --- Image by © Jeff Spielman/Corbis
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Three Allium by Tom Marks --- Image by © Tom Marks/Corbis
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Twisted Trunk by Tom Marks --- Image by © Tom Marks/Corbis
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Solitary tree in a winter landscape --- Image by © George Disario/Corbis
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2007, Giverny, France --- Looking up at tall trees in Giverny, France, with leaves nearly in silhouette against a white sky. --- Image by © Ken Rosenthal/Corbis
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Close-up of a Gerbera Daisy (Gerbera jamsonii) --- Image by © George Oze Photography/SuperStock/Corbis
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Christmas roses in snow --- Image by © SuperStock/Corbis
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04 Nov 2012 --- A closeup of autumn leaves in Brooklyn --- Image by © Mike Cullen/Corbis
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07 Aug 2011 --- Image of maidenhair fern. Digital photograph by Dean Forbes taken on Aug. 7, 2011. --- Image by © Dean Forbes/Corbis
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28 Mar 2011 --- A flower of a climbing hydrangea (Hydrangea petiolaris). --- Image by © Jill Ferry/Corbis
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06 Apr 2008 --- Cactus plants growing in a conservatory fill the frame. Digital photograph by Dean Forbes taken on April 6, 2008. --- Image by © Dean Forbes/Corbis
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One passion flower --- Image by © MASAO OTA/amanaimages/Corbis
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Topographic Study #3 by Brendan Regan --- Image by © Brendan Regan/CORBIS
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ca. 1990s --- Rose and Leaves --- Image by © Robert Levin/CORBIS
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Lupine 1 by David Roseburg --- Image by © David Roseburg/CORBIS
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Willow (Trio) by Jefferson Hayman --- Image by © Jefferson Hayman/CORBIS
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California, USA --- Three Oaks and Boulder from the series Landscape. --- Image by © Gordon Osmundson/CORBIS
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Reeds on frozen lake --- Image by © Derek James Seaward/Corbis
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Plant root system --- Image by © Theo Allofs/Corbis
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Frost on plant, winter --- Image by © Mika/Corbis
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Agave --- Image by © Leonard Gertz/Corbis
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White Flowers --- Image by © Michael Filonow/Corbis
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Succulent leaves --- Image by © Leonard Gertz/Corbis
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Stromanthe leaves --- Image by © Leonard Gertz/Corbis
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2006 --- Vines on Wall by Tom Marks --- Image by © Tom Marks/Corbis
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Vines on Window by Tom Marks --- Image by © Tom Marks/Corbis
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August 1922, Cutler Ridge, Florida, USA --- A tree's roots wraps itself around a wagon wheel --- Image by © John C. Gifford/National Geographic Creative/Corbis
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Swirls of smoke --- Image by © 2/Steve Allen/Ocean/Corbis
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Close-up of Pink Calla lilies (Zantedeschia rehmannii) --- Image by © George Oze Photography/SuperStock/Corbis
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Polaroid photo of a single tulip --- Image by © Mike Cullen/Corbis
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18 Dec 2011 --- Large cactus --- Image by © Ivary/Corbis
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11 Nov 2009, Seattle, Washington State, USA --- Detail of tree trunks illuminated by late fall sunshine in Seattle's arboretum. Digital photograph by Dean Forbes taken on Nov. 11, 2009. --- Image by © Dean Forbes/Corbis
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06 Apr 2008 --- Leaves of a succulent plant. Digital photograph by Dean Forbes taken on April 6, 2008. --- Image by © Dean Forbes/Corbis
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18 Oct 2013 --- Black & white, shallow depth of field image of an autumn leaf caught in dense foliage. Digital photograph by Dean Forbes taken on Oct. 18, 2013 --- Image by © Dean Forbes/Corbis
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ca. 1980-2001, San Francisco, California, USA --- Queen Anne's Lace Flower --- Image by © Ariel Ruiz i Altaba/CORBIS
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ca. 1980-2001, San Francisco, California, USA --- Grasses by the Ocean --- Image by © Ariel Ruiz i Altaba/CORBIS
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, Seattle, Washington State, USA --- City Poppy by David Roseburg --- Image by © David Roseburg/CORBIS
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Apricots by Jefferson Hayman --- Image by © Jefferson Hayman/CORBIS
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Bosc Pears by Jefferson Hayman --- Image by © Jefferson Hayman/CORBIS
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1998, New Jersey, USA --- In the Field by Chip Forelli --- Image by © Chip Forelli/CORBIS