skinneri Taylor, 1954 Physa vernalis Taylor et Jokinen, 1984 Physa sp., Lake Winnipeg Physa, lives in Manitoba in Canada. It was classified as endangered by
Salon du Livre Anarchiste du Montréal. [2022-10-03]. (原始内容存档于2007-04-29). Winnipeg Anarchist Bookfair with CanZine and DIYfest. 2015 [2015-11-29]. (原始内容存档于2015-12-08)