A number of poisonous and/or acrid species of
Lactarius are similar in appearance but differ in that the cut flesh exudes a white rather than orange milk and the flesh does not eventually discolor to greenish. The edible and similar-looking
L. deterrimus differs in that the cut flesh exudes an orange milk that stains the surface purplish, then dull, dark green; it is sometimes considered a variety of
L. deliciosus. The edible and similar-looking
L. thyinos exudes an orange milk but differs in that the flesh does not discolor greenish.