Lichens : Peltigerales : PeltigeraceaeLichens

Solorina saccata (L.) Ach.

Solo-saccata-2-mjs.jpg
Solorina saccata

Description: Foliose species (2-5cm diam.), like a disc-shaped ‘dog lichen’, concave from above with slightly frosted, pale grey, rounded lobes and wavy margins. It is a stunning bright green when wet. Discs (to 6mm diam.) sit at the centre of the lobes like large, black-brown spots. Upland limestone outcrops and overhanging vegetation; calcareous grasslands. Unmistakable. North-east and western Ireland; absent from the south.

Key Identification Features:

  • Leafy, like a ‘dog lichen’, but rounded, rosette-like, grey in dry state but bright green when wet
  • Disc: at centre of the lobes, like a large black spot; calcicole.

Original text submitted by Vince J. Giavarini

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

iNaturalist: Solorina saccata at iNaturalist World Species Observations database.

 Giavarini, Vince J., Simms, Michael J., & Davey, Simon, 2026. Solorina saccata. (L.) Ach.. [In] Lichen Ireland.
https://www.habitas.org.uk/lichenireland/species.php?item=19359. Accessed on 2026-11-12.