This mushroom is commonly sold under the name portobello mushroom (also portabella or portobella) but the etymology is disputed.. Jump to navigation Jump to search. Also known as Portobello, Agaric cultivé, Champignon Portobello, Flat Chestnut mushroom, and the Cultivated Mushroom, Portabella mushrooms grow individually in the grass, near manure piles, and on leaf litter near conifers, especially Monterey cypress trees in the northern hemisphere. Agaricus bisporus Agaricus bisporus, commonly known as the Portobello, Button or Crimini mushroom, is the most widely cultivated mushroom in the world. From Guild Wars 2 Wiki. The mushroom grows naturally in grasslands, fields and meadows in North America and Europe. Portobello, a 2008 novel by Ruth Rendell; Portabella mushroom, a … Item type Crafting material Material type Ingredient Mat. Portobello House, South Wales; Battle of Porto Bello, a 1739 British naval victory in Panama; Porto Bello (Caribbean), a fictional British colony in the Long John Silver film and The Adventures of Long John Silver TV series. Portobello Mushroom. Just as white bread was preferred back then so this mushroom became immediately popular. When immature and white, this mushroom may be known as common mushroom … The original mushroom Agaricus bisporus was brown like a crimini or portobello but in 1926 a Pennsylvania mushroom farmer discovered this strain that was bright white. Agaricus bisporus is an edible basidiomycete mushroom native to grasslands in Europe and North America.It has two color states while immature—white and brown—both of which have various names. Portobello Mushroom.