Death cap and Field mushroom

Death cap noun - Extremely poisonous usually white fungus with a prominent cup-shaped base; differs from edible Agaricus only in its white gills.

Field mushroom and death cap are semantically related. In some cases you can use "Field mushroom" instead a noun phrase "Death cap".

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

Death cap and field mushroom are semantically related. You can use "Death cap" instead a noun phrase "Field mushroom".