Irish lichens

Xanthoparmelia pulla
Order: Lecanorales       Family: Parmeliaceae

Species: Xanthoparmelia pulla

Previously Neofuscelia pulla. Growth type foliose.
Photos: Rock Island, Co. Cork. Identification confirmed by John Douglass

Large grey-brown to dark-brown thallus with +/- adpressed lobes not widening at apices, faintly reticulate. Underside black with sparse rhizines, tan towards edges. Dark-brown apothecia are usually present, the entire margins becoming thin and distorted. Isidia are absent. Asci 8-spored, spores simple, 5.5-14 x 3.5-8 Ám. Micro photo below.

Usually coastal on well-lit siliceous rocks above HWM. Medulla K-, C+ pinkish-red, KC+ pinkish-red, P-, UV+ white but the chemical reactions can be variable.

Xanthoparmelia pulla

Xanthoparmelia pulla
Microscope photograph
Xanthoparmelia pulla
Xanthoparmelia pullaRock Island, Co. Cork. January 2012

Please contact me if you find errors. All images used are copyright.