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Achillea millefolium (yarrow), single stalk, flowering plant
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Achillea millefolium (yarrow), close-up of flowers
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Achillea millefolium (yarrow), close-up of umbel inflorescence clusterJuly 1973
Lamp, Herbert F.
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Achillea millefolium (yarrow), close-up of white corymb
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Achillea millefolium (yarrow), stalks of flowered yarrow