Champignon de Paris mushrooms, Psalliota Hortensis, growing in former troglodyte cave in the Loire Valley, France

agaricus bisporus b2 riboflavin b3 niacin b5 crop cultivated cultivation europe european french fungus grow growing indoors inside mushroom mushrooms champignon blanc champignon de couche champignons compost cultivate daytime edible fungi food chain food production fresh growth plastic sacks potassium rich food psalliotes rose de pre sayings stock image stock photo stock photograph travel photo travel photograph travel photography travel stock travels troglodyte cave upright vertical vitamin d source world travel travel destinations travel destination ethnic food traditional food french food foods color image color colour tourism destination