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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Lynn M. Stone / Bichon frise beside Colorado blue columbine (Aquilegia coerulea) flowers. Old Lyme, Connecticut, USA. May.
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Jeff Foott / Colorado Blue Columbine (Aquilegia caerulea) flowers in alpine basin, Colorado
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Jeff Foott / Colorado Blue Columbine (Aquilegia caerulea) flowers in alpine basin, Colorado
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Tim Fitzharris / Paintbrush (Castilleja sp) and Columbine (Aquilegia sp) flowers, Governor Basin, Colorado
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Tim Fitzharris / Paintbrush (Castilleja sp) and Columbine (Aquilegia sp) flowers, Governor 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
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Jeff Foott / Colorado Blue Columbine (Aquilegia caerulea) flowers, Grand Teton National Park, Wyoming
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Jeff Foott / Colorado Blue Columbine (Aquilegia caerulea) and Sticky Purple Geranium (Geranium viscosissimum) flowers, Grand Teton National Park, Wyoming
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Jeff Foott / Colorado Blue Columbine (Aquilegia caerulea), Splitleaf Indian Paintbrush (Castilleja rhexifolia) and Mountain Bluebell (Mertensia ciliata) flowers, Colorado
