Postia caesia is a European polypore. DNA analysis has revealed that we have several different species previously under the name Postia caesia. Postia livens is the most common one found in the eastern and central regions of N.A. Its common name is “Blue Cheese Polypore”. Postia livens is saprotrophic on both conifers and hardwoods. Soft and spongy polypore with a pubescent or hairy white cap with blue and gray. Pores are white and like the cap, bruise blue. Fruits from late summer to late autumn. White to pale blue spores. Fragrant. Despite its common name, it is not edible.
Postia caesia
Postia caesia
