agaricus

He carefully observed the habits of one, which lived under the covering of a mushroom, the Oak agaric (Agaricus quercinus).
The Insect World|Louis Figuier
This little alga resembles a mushroom of the Agaricus variety or gilled species, and so is easily identified.
The Sea-beach at Ebb-tide|Augusta Foote Arnold
It was mentioned above that among phosphorescent plants there are several species of Agaricus.
Young Folks' Library, Volume XI (of 20)|Various
True latex vessels occur occasionally in Agaricus, though not filled with milk as in Lactarius.
Fungi: Their Nature and Uses|Mordecai Cubitt Cooke

It would not be highly esteemed where other and better species can be had, but it is generally preferred to Agaricus melleus, Fr.
Fungi: Their Nature and Uses|Mordecai Cubitt Cooke