Source-reviewed species profile

Gassy webcap Cortinarius traganus

Violet to grey-violet cap and stem, rusty-brown gills and a penetrating unpleasant odour. This profile covers broad field features, season and habitat for learning.

Where can I find gassy webcap?

Coniferous and mixed woodland, often with spruce.

In Mycoverse you can select Gassy webcap and compare candidate search areas using a species-specific assessment of rainfall, estimated soil moisture, temperature, forest type, tree signals, canopy cover, terrain and season. Where source coverage is available, the assessment also uses historical species observations. Historical observations are historical data, not recent finds.

Learning content – not identification

Images, text and app suggestions cannot confirm a species or food safety.

Field features

  • Violet to grey-violet cap and stem, rusty-brown gills and a penetrating unpleasant odour.

Habitat and search guidance

Coniferous and mixed woodland, often with spruce.

Months

August–November

Safety status

Not presented as food. Never use the app to decide whether a mushroom is safe to eat. Not presented as a food mushroom. This profile supports learning and safer boundaries; it does not approve a finding.

Sources and review status

Last reviewed: 4 October 2026.

Take the profile outdoors.

Follow the species, view local seasonal signals and use field guidance in the app.