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Ernest Bernard

Ernest Bernard

Leaflets, American elm (Ulmus americana). The American elms in Louisiana survived well through the threats of Dutch elm disease. These leaflets are the first of Royalty Free Stock ImagesLeaflets, American elm (Ulmus americana). The American elms in Louisiana survived well through the threats of Dutch elm disease. These leaflets are the first ofTerminal and lateral buds, American elm. (Ulmus americana). Terminal bud is at end of stem, lateral buds are along the stem. Illustrates budding and spring Stock ImagesTerminal and lateral buds, American elm. (Ulmus americana). Terminal bud is at end of stem, lateral buds are along the stem. Illustrates budding and springBlack moth caterpillar. This instar (molting phase) of the Black moth caterpillar (Hemileuca maia) is resting inactive on the understide of a leaf because of Royalty Free Stock PhotographyBlack moth caterpillar. This instar (molting phase) of the Black moth caterpillar (Hemileuca maia) is resting inactive on the understide of a leaf because ofCarpenter Bee female digging nest hole. The carpenter bee, so known because it digs holes in wood for its nest, is found worldwide. The bee is borning into a Royalty Free Stock PhotoCarpenter Bee female digging nest hole. The carpenter bee, so known because it digs holes in wood for its nest, is found worldwide. The bee is borning into aCarpenter Bee female digging nest hole. The carpenter bee, so known because it digs holes in wood for its nest, is found worldwide. The bee is borning into a Royalty Free Stock ImagesCarpenter Bee female digging nest hole. The carpenter bee, so known because it digs holes in wood for its nest, is found worldwide. The bee is borning into aCarpenter Bee female digging nest hole. The carpenter bee, so known because it digs holes in wood for its nest, is found worldwide. The bee is borning into a Royalty Free Stock PhotoCarpenter Bee female digging nest hole. The carpenter bee, so known because it digs holes in wood for its nest, is found worldwide. The bee is borning into aCarpenter Bee female digging nest hole. The carpenter bee, so known because it digs holes in wood for its nest, is found worldwide. The bee is borning into a Royalty Free Stock ImagesCarpenter Bee female digging nest hole. The carpenter bee, so known because it digs holes in wood for its nest, is found worldwide. The bee is borning into aDrooping yellowtop flower. Yellow Top (aka Butterweed) (Senecio glabellus) flower head with broken stalk droops toward the ground Royalty Free Stock PhotosDrooping yellowtop flower. Yellow Top (aka Butterweed) (Senecio glabellus) flower head with broken stalk droops toward the groundMan planing board with machine planer. The machine planer is used to (1) smooth a board of the roughness that is caused by milling with a saw, and (2) Royalty Free Stock ImagesMan planing board with machine planer. The machine planer is used to (1) smooth a board of the roughness that is caused by milling with a saw, and (2)Buds, fruiting bodes, and leaflets black cherry. Buds, fruiting bodies (flowers) and new leaves sprouting on twig of black cherry tree (Prunus serotina), early Stock ImageBuds, fruiting bodes, and leaflets black cherry. Buds, fruiting bodies (flowers) and new leaves sprouting on twig of black cherry tree (Prunus serotina), earlyLodgepole pine killed by pine bark beetle. Lodgepole pine (Pinus contorta) on distant mountains in Colorado killed during an epidemic of Mountain pine beetle ( Royalty Free Stock PhotographyLodgepole pine killed by pine bark beetle. Lodgepole pine (Pinus contorta) on distant mountains in Colorado killed during an epidemic of Mountain pine beetle (Lodgepole pine killed by pine bark beetle. Lodgepole pine (Pinus contorta) in Colorado killed during an epidemic of Mountain pine beetle (MPB), Dendroctonus Stock ImageLodgepole pine killed by pine bark beetle. Lodgepole pine (Pinus contorta) in Colorado killed during an epidemic of Mountain pine beetle (MPB), DendroctonusSafety flagger, construction on U.S. 34, Colorado. Construction on Trail Ridge Road (U.S. Highway 34) in Rocky Mountain National Park, Colorado, U.S. Trail Ridge Stock ImagesSafety flagger, construction on U.S. 34, Colorado. Construction on Trail Ridge Road (U.S. Highway 34) in Rocky Mountain National Park, Colorado, U.S. Trail RidgeBig Thompson River. In Rocky Mountain National Park, nearly overruns its bank  during spring snowmelt in June Stock PhotographyBig Thompson River. In Rocky Mountain National Park, nearly overruns its bank during spring snowmelt in June