much interested higher plants instance grouped together genus ''agaricus'' gilled mushrooms stem ref name kiger ref name linnaeus many thousands gilled species later divided dozens diverse genera modern usage genus ''agaricus'' refers mushrooms closely related common shop mushroom ''agaricus bisporus'' je lange imbach ref name laessoe example linnaeus gave name ''agaricus deliciosus'' saffron milk cap current name ''lactarius deliciosus'' l gray ref name sf ldeliciosus hand field mushroom ''agaricus campestris''
Natural science Biology Mycology