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Federally threatened Decurrent false aster (Boltonia decurrens), at the Missouri Botanical Garden.

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Federally threatened Decurrent false aster (Boltonia decurrens), at the Missouri Botanical Garden.

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A soybean plant or soya bean (Glycine max) faces off against a roundup-resistant horseweed plant at the University of Nebraska’s East Campus. Glyphosate (herbicide) resistant horseweed (Conyza canadensis) has been found more and more in fields throughout corn, soybean and cotton production areas.

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A soybean plant (Glycine max) faces off against a roundup-resistant horseweed plant at the University of Nebraska’s East Campus. Glyphosate (herbicide) resistant horseweed (Conyza canadensis) has been found more and more in fields throughout corn, soybean and cotton production areas.

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A soybean plant (Glycine max) faces off against a roundup-resistant horseweed plant at the University of Nebraska’s East Campus. Glyphosate (herbicide) resistant horseweed (Conyza canadensis) has been found more and more in fields throughout corn, soybean and cotton production areas.

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Federally endangered Short’s goldenrod (Solidago shortii), at the Missouri Botanical Garden.

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The federally endangered blowout penstemon (Penstemon haydenii). These plants were raised by a botanist who brought the plant back from just 600 individual plants to more than 20,000 today.

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The federally endangered blowout penstemon (Penstemon haydenii). These plants were raised by a botanist who brought the plant back from just 600 individual plants to more than 20,000 today.

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The federally endangered blowout penstemon (Penstemon haydenii). These plants were raised by a botanist who brought the plant back from just 600 individual plants to more than 20,000 today.

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The federally endangered blowout penstemon (Penstemon haydenii). These plants were raised by a botanist who brought the plant back from just 600 individual plants to more than 20,000 today.

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The federally endangered blowout penstemon (Penstemon haydenii) and the botonist who brought the plant back from just 600 individual plants to more than 20,000 today.

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The federally endangered blowout penstemon (Penstemon haydenii). These plants were raised by a botanist who brought the plant back from just 600 individual plants to more than 20,000 today.

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The federally endangered blowout penstemon (Penstemon haydenii). These plants were raised by a botanist who brought the plant back from just 600 individual plants to more than 20,000 today.

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The federally endangered blowout penstemon (Penstemon haydenii). These plants were raised by a botanist who brought the plant back from just 600 individual plants to more than 20,000 today.

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The federally endangered blowout penstemon (Penstemon haydenii). The insect is an alfalfa plant bug (Adelphocoris lineolatus). These plants were raised by a botanist who brought the plant back from just 600 individual plants to more than 20,000 today.

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Workers from Southern Native Plants out of Milton, Florida planting sea oats (Uniola paniculata) on a newly created sand dune to protect Dauphin Island, Alabama from the deep water horizon oil spill.

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Pyne’s (or Guthrie’s) ground plum (Astragalus bibullatus), a federally endangered plant that exists only in a one-mile-square area outside of Nashville within the Cedar Glades ecosystem. (US: Endangered)

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Vegetation on federal land in California’s Mojave Desert.

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Vegetation on federal land in California’s Mojave Desert.

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Vegetation on federal land in California’s Mojave Desert.

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Vegetation on federal land in California’s Mojave Desert.

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A mahogany tree log in a Mahogany Hammock in Everglades National Park, Florida.

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Paurotis palms (Acoelorrhaphe wrightti) in Mahogany Hammock in Everglades National Park, Florida.

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Paurotis palms (Acoelorrhaphe wrightti) in Mahogany Hammock in Everglades National Park, Florida.

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A scenic view from an observation tower in Shark Valley at the north end of Everglades National Park.

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A scenic view from an observation tower in Shark Valley at the north end of Everglades National Park.

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A scenic view from an observation tower in Shark Valley at the north end of Everglades National Park.

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A scenic view of Shark Valley at the north end of Everglades National Park.

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A scenic view of Shark Valley at the north end of Everglades National Park.

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A scenic view of Shark Valley at the north end of Everglades National Park.

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Leaves float in the water at Shark Valley at the north end of Everglades National Park.

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Old-growth rainforests along Vancouver Island’s Clayoquot Sound are home to epiphytic mosses (shown here on a tree branch) and ferns, among many other species.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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