Identified in the field by Eric Janke. Confirmed by Leif Goodwin. 7 November 2023 Marwell Zoo, Hampshire. Photograph copyright Leif Goodwin. Cap Convex, expanding with age, often with a central bump, coarsely scaly, pale to dark brown, to about 10 cm across Gills Adnate to emarginate, broad, white, staining yellow with age Stem Equal, white Flesh White Smell Mealy Taste Mealy Season Summer to autumn Distribution Frequent Habitat In deciduous woods Spore Print White Microscopic Features Spores ellipsoidal, smooth (3.9-6.9) x (2.5-4.5) µm2, Q = 1.2 - 1.8. Edibility Said to be edible, caution advised Notes There are several similar species, some of which also stain yellow. Some can be separated by examination of the spore Q value. 
A crop from the first image. 7 November 2023 Marwell Zoo, Hampshire. Photograph copyright Leif Goodwin. 
A crop from the first image. 7 November 2023 Marwell Zoo, Hampshire. Photograph copyright Leif Goodwin. 
Identified in the field by Eric Janke. Confirmed by Leif Goodwin. 7 November 2023 Marwell Zoo, Hampshire. Photograph copyright Leif Goodwin. 
Spores in Congo Red solution viewed with a 100X immersion objective. 7 November 2023 Marwell Zoo, Hampshire. Photograph copyright Leif Goodwin. |