Browsing by Subject/Keyword: collection:
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Achillea millefolium lanulosa 'Mountain yarrow', flowers
July 1977
Coulter, Ronald M.
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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