2. Table “Button” Mushroom Agaricus bisporus

3. Table “Button” Mushroom Agaricus bisporus
Eukaryote
Nuclei in Cells
Multicellular
Cell wall present
Heterotroph
Sessile
Mostly sexual reproduction
Kingdom Fungi

4. Table “Button” Mushroom Agaricus bisporus
Kingdom
Division
Class
Order
Family
Genus
Species
Fungi
Basidiomycota (club fungi)
Agaricomycetes
Agaricales (gilled fungi)
Agaricaceae
Agaricus
bisporus

5. Agaricus bisporus
Native to North America, these common fungi are naturally found in manure heaps, garden waste and roadsides, as well as at the base of trees.

6. Agaricus bisporus
The mushroom itself is just the “fruit” of a tangle of hyphae that are in the soil eating nutrients that are available.

7. Agaricus bisporus
It’s only when the fungus attempts to breed and spread spores sexually that the mushroom grows up out of the soil.

8. Agaricus bisporus
Like most members of the order Agaricales, table mushrooms have “gills”, or folds under the hood of the mushroom to allow spread of millions of new spores.

9. Growing Mushrooms
A. bisporus is an edible mushroom that is the #1 produced mushroom in the US and makes up about 40% of the world market.

10. Varieties of Agaricus bisporus
Most of the mushrooms you see in the stores are different varieties of the same species of mushroom.
Even the huge Portobello mushrooms are just more mature regular button mushrooms.

11. Growing Mushrooms
Since mushrooms are heterotrophs, they need food so they are grown on mounds of wheat straw, and horse manure.
Spores are then spread on the manure and harvested several times.

12. Varieties of Agaricus bisporus
These mushrooms are common on pizzas, in stir-fries, even as gourmet substitutes for burgers.

13. Varieties of Agaricus bisporus
Americans eat about 4 pounds (2 kg) of mushrooms each year.
In the US, over 700 million dollars are made in the mushroom industry each year.