Agaricus campestris and Agaric

Agaricus campestris noun - Common edible mushroom found naturally in moist open soil; the cultivated mushroom of commerce.

Agaric and Agaricus campestris are semantically related. In some cases you can use "Agaric" instead a noun phrase "Agaricus campestris".

Agaric noun - A saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside.

Agaricus campestris and agaric are semantically related. Sometimes you can replace phrase "Agaricus campestris" with "Agaric", this terms are similar.