Description: Foliose lichen, grey, smooth, shiny with loosely attached, narrow, semi-inflated fan-shaped lobes, margins divided, turned-up and frequently white-powdery (sorediate) on the underside; blunter edges often black dotted. Lower surface, pale brown, wrinkled towards the centre. On acid-barked trees (branches and twigs mainly), wooden posts, rocks and peaty soils.

Key Identification Features:

• Grey, semi-inflated lobes
• Lobe tips upturned, white-powdery on the undersides.

Original text submitted by Vince J. Giavarini

Distribution Map from NBN: Hypogymnia physodes at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Hypogymnia physodes at iNaturalist World Species Observations database.