Gills separate on the stem, Agaricus or Psalliota.    From Wordnik.com.  [Among the Mushrooms A Guide For Beginners] Reference

Agaricus campestris is a common mushroom in the market.    From Wordnik.com.  [Chapter 7] Reference

The common mushroom Agaricus campestris belongs to this group.    From Wordnik.com.  [Among the Mushrooms A Guide For Beginners] Reference

He said there were some field mushrooms Agaricus spp. in the area where we had just picked.    From Wordnik.com.  [Archive 2006-05-01] Reference

Agaricus bisporus, has only "Cultivated Mushroom; Button Mushroom", which is interesting since this book is from 1979.    From Wordnik.com.  [languagehat.com: PORTOBELLO.] Reference

· Agaricus species have a pileus which is smooth, free gills, stipe with a ring (left when the cap breaks away), and brown spores.    From Wordnik.com.  [Chapter 7] Reference

Agaricus comtulus (natural size, sometimes larger).    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

= Agaricus diminutivus = Pk., is a closely related species.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

A proprietary grown mushroom, Agaricus blazei Murill (AbM) by.    From Wordnik.com. Reference

Agaricus silvicola, showing radiately torn lower part of veil.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

Additional data thermal sensitivity selected fungi Agaricus bisporus.    From Wordnik.com.  [xml's Blinklist.com] Reference

= Agaricus (Psalliota) fabaceus = Berk., was described in Hooker's London.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference

= Agaricus (Psalliota) comtulus = Fr. -- This pretty little agaric seems to be rather rare.    From Wordnik.com.  [Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.] Reference