MolluscaBase source details
Mazÿck, W. G. (1914). Helix hortensis on White Bull Island, Me. The Nautilus. 27(9): 107.
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Mazÿck, W. G.
1914
<i>Helix hortensis</i> on White Bull Island, Me.
The Nautilus
27(9): 107
Publication
Date
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Helix hortensis O. F. Müller, 1774 accepted as Cepaea hortensis (O. F. Müller, 1774) (additional source)