Science

Account of research into the genetics of some populations.

Photograph of this small species.

Photographs of several members of this genus.

Photographs of several members of this genus.

Photographs and information on this species, commonly known as the Horse Mushroom, with guidance on distinguishing it from deadly Amanitas. English and Polish.

Photographs and information on this species, commonly known as the Wood Mushroom. English and Polish.

The principal characteristics of the genus Agaricus and links to other sites. Also a list of those species found in California with photographs of about 20 of them.

Photographic article by M. Halit Umar on the theme that life is a continuous interaction between organisms, in this case the edible mushroom Agaricus bisporus and other organisms which depend on it and each other.

Article with photographs by Tom Volk on this species, sometimes called the Lawyer’s Wig.

Illustrated article by Tom Volk on this yellow fungus, also known as Lepiota lutea, often to be found growing in potting compost.

Article by Tom Volk on this robust and stately mushroom commonly known as the Prince.

These fungi have rather soft, fragile fruiting bodies, and are characterized by black or dark brown spore powder. Some species liquify when the spores are mature. Information and photographs from Wikipedia.

Provides a key to the subsections of the genus with images and characteristics of each species.

Photograph and notes on this mushroom often found growing on compost piles and mulch.

Photograph and notes on this red-staining mushroom.

Photographs and notes on this species.

Photograph and notes on this species.

Photographs and notes on this species.

Photograph and information on this species from Wikipedia.