About this fungus
Robust Rollrim is a fungus in the Paxillaceae family. Its habitat and field characteristics are summarised below.
A large brown rollrim on soil near planted broadleaf trees.
What to check
Record host, cap size, inrolled margin, decurrent gills, brown bruising and brown print.
Variation
Cap colour and margin shape change greatly with age and moisture.
Lookalikes
Paxillus involutus and P. obscurisporus are extremely similar and share the same safety warning.
Habitat and range
Reported mainly from European parks, gardens and disturbed sites with broadleaf hosts.
Food safety
Poisonous.
Species to compare
Similar mushrooms to compare against: