Jack Dykinga / Colorado blue columbine (Aquilegia caerulea) in flower, Yankee Boy Basin, Uncompahgre National Forest, Colorado, USA
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Tim Fitzharris / Colorado Blue Columbine (Aquilegia caerulea) flowers in American Basin, Colorado
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Tim Fitzharris / Colorado Blue Columbine (Aquilegia caerulea) flowers in American Basin, Colorado
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Tim Fitzharris / Colorado Blue Columbine (Aquilegia caerulea) flowers, American Basin, Colorado
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Shattil & Rozinski / Colorado blue columbine (Aquilegia caerulea) flowers, Yankee Boy Basin, San Juan Mountains, Colorado, USA
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Albert Lleal / Colorado Blue Columbine (Aquilegia caerulea) SEM close-up view of pollen covered anther at 40x magnification
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Rolf Nussbaumer / Waterfall and wildflowers in rock ledge, Blue / Colorado Columbine {Aquilegia coerulea} Ouray, San Juan Mountains, Rocky Mountains, Colorado, USA, July 2007
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Rolf Nussbaumer / Wildflowers in alpine meadow - Blue / Colorado Columbine {Aquilegia coerulea}, Heartleaf Arnica {Arnica cordifolia} Ouray, San Juan Mountains, Rocky Mountains, Colorado, USA, July 2007
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Rolf Nussbaumer / Clear Lake and wildflowers in alpine meadow, Blue Columbine {Aquilegia coerulea} and Alpine Avens flowers, Ouray, San Juan Mountains, Rocky Mountains, Colorado, USA, July 2007
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Rolf Nussbaumer / Blue / Colorado Columbine {Aquilegia coerulea} flowering amongst rocks, San Juan Mountains, Rocky Mountains, Colorado, USA, July
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Tim Fitzharris / Colorado Blue Columbine (Aquilegia caerulea) meadow at American Basin, Colorado
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Tim Fitzharris / Colorado Blue Columbine (Aquilegia caerulea) close up, state flower, Colorado
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Tim Fitzharris / Colorado Blue Columbine (Aquilegia caerulea) close up of bloom, North America
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Tim Fitzharris / Colorado Blue Columbine (Aquilegia caerulea), Yankee Boy Basin, Colorado
