Description: A species of old rotting tree stumps and shallow peat. It is easily missed on account of the lack of discs. The sturdy, blue-grey stalks (podetia) can grow to 5cm dividing into two or three branches from a thick, scaly base tapering upwards towards a powdery point. Close examination of the stalk with a hand lens (x 10) should reveal a longitudinal furrow like a healed scar down the side. All spot test reactions are negative. Northern and central Ireland.

Key Identification Features:

• Discs rare. Podetia blue-grey, bent, scaly below, sorediate above with a barely visible longitudinal scar
• On rotting stumps and peat.

Original text submitted by Vince J. Giavarini

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

iNaturalist: Cladonia glauca at iNaturalist World Species Observations database.