Agaricus xanthodermus

Description:

Large mushrooms with dark scaling on a very domed top, pinkish white gills densely packed, notched, adnexed; robust white stipe with remains of cortina, thicker at base. Growing in small clumps in dry open sclerophyll land. These were about 200mm tall 150mm wide

Habitat:

Very wide highway division with eucalyptus and other native shrubs.

Notes:

Also known as 'Yellow stainers' Fuhrer http://www.rbg.vic.gov.au/science/inform...