I was told when I was little that mushrooms with white gills are usually poisonous. Most of the Amanita family have this feature, and also this dense fringing membranes, though not as full on as the stem on this one. Many of those species are symbiotes with the roots of pine trees, notably Muscaria likes Pinus Radiata, you can find the red and white spotty shrooms in most plantation pine forests across the world.
Beautiful photo though, I love fungi, my favourite family of the tree of life <3
