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Order: Peltigerales
Family: Collemataceae
Species: Leptogium gelatinosum Photos: On mossy wall in hazel wood, the Burren, Ireland. Very variable. Brown or green brown thallus, lobes usually erect and wrinkled with entire or regularly lanceolate margins. Isidia absent. Usually fertile, apothecia to 1.5mm, discs red-brown or brown. Specimens with small, much-divided lobes have been recognized as L. pulvinatum. (Hoffm.) Otálora (2008). Usually found among moss on trees, calcareous rocks and soil and on mortar. Chemical reactions negative. Similar: L. lichenoides. Prefers less calcareous habitats. |
Immediately above: Leptogium gelatinosum, Gougane Barra, Co.Cork. August 2009