Field mushroom and Oyster mushroom

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

Oyster mushroom and field mushroom are semantically related. In some cases you can use "Oyster mushroom" instead a noun phrase "Field mushroom".

Oyster mushroom noun - Edible agaric with a soft greyish cap growing in shelving masses on dead wood.

Field mushroom and oyster mushroom are semantically related. You can use "Field mushroom" instead a noun phrase "Oyster mushroom".