White Button Mushroom Powder (Agaricus Bisporus) This listing is for Pure White Button Mushroom Powder Fine Grind. 100% NATURAL AGARICUS BISPORUS MUSHROOM POWDER The White Button Mushroom, Botanical Name Agaricus Bisporus is also known as White Mushroom, Meadow Mushroom, Champignon Mushroom or Table Mushroom and I am sure there are many others. These mushrooms are the same as the White Button Mushrooms you can buy fresh in your local produce department. They are cultivated in more than 70 countries and are considered one of the most commonly and widely consumed mushrooms in the world. They grow in the wild in meadows, fields and grassy areas after rain has passed through, from late spring through mid to late fall Worldwide, especially where animals have left droppings while grazing. These mushrooms are commercially grown in a sterilized environment under 100% Natural Growing practices then harvested by hand to keep them clean. They are sliced then Naturally Air Dried with No Chemicals or Pesticides used in the process. The dried mushrooms are then passed through the hammer mill to make them into powder. No anti-caking agents are added so this powder will clump a little but will break with just a touch.