MolluscaBase source details
Johnson, C. W. (1915). Helix hortensis, near Edgartown, Martha's Vineyard, Mass. The Nautilus. 29(7): 83.
418703
Johnson, C. W.
1915
<i>Helix hortensis</i>, near Edgartown, Martha's Vineyard, Mass.
The Nautilus
29(7): 83
Publication
Date
action
by
Helix hortensis O. F. Müller, 1774 accepted as Cepaea hortensis (O. F. Müller, 1774) (additional source)