Robert Thompson / Elder-flowered orchid (Dactylorhiza sambucina) with yellow and purple flowers, meadowland, Gran Sasso Monti Della Laga National Park, Abruzzo, Italy, May 2011
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Robert Thompson / Elder-flowered orchid (Dactylorhiza sambucina) with yellow and purple flowers, Apennine Mountains, Italy, May
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Robert Thompson / Elder-flowered orchid (Dactylorhiza sambucina) with yellow flower, Apennine Mountains, Italy, May
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Robert Thompson / Elder-flowered orchid (Dactylorhiza sambucina) with purple flower, La Camisciara nature reserve, Abruzzo National Park, Apennine Mountains, Italy, May
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Robert Thompson / Elder-flowered orchid (Dactylorhiza sambucina) red form, near Axat, France, May
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Robert Thompson / Elder-flowered orchid (Dactylorhiza sambucina) yellow form, near Axat, France, May
