Results 3 results found Champignon de Paris mushrooms, Psalliota Hortensis, growing in former troglodyte cave in the Loire Valley, France Champignon de Paris mushrooms, Psalliota Hortensis, growing in former troglodyte cave in the Loire Valley, France Mushrooms, Champignons de Paris, grown in former troglodyte cave at Le Saut aux Loups, in the Loire Valley, France