English: Grey veiled amanita; Porphyry amanita.
Geman: Porphyrbraune Wulstling; Porphyrwulstling; Purpurbrauner Wulstling.
Name: porphyria refers to the purple tint.
Region: Europe, North America; more boreal, hemiboreal than temperate; also in Australia.
Habitat: on poor soil; under coniferous trees, spruce, fir, hemlock, and some deciduous as birch.
Use: inedible.
MycologyType: flesh is white; smell of raw potato or radish; mycorrhizal, in symbiosis with the trees; fairly common; from summer to autumn.
Cap: smooth; hemispherical when young, later flat; sometimes with grey patches of veil; 4 to 10 cm diameter; brown with either a purplish or a greyish hue.
Hymenium: gills whitish, darken when bruised, free from the stem.
Stem: 5 to 12 cm tall, 6 to 15 mm thick; with a basal bulb; may be surrounded by a white membranous volva; fragile ring is grey-violet or blackened.
Spores: white; amyloid; almost spherical; 8 to 10 µm diameter.
TaxonomyAmanita porphyria belongs to the
Amanita citrina group.
Amanita porphyria is similar, but the cap colour is different and the ring has a grey/violet coloration.