Order: Peltigerales Family: Lobariaceae
Species: Lobaria scrobiculata
Photos: Bantry House, Co.Cork, and Killarney, Co.Kerry, Ireland.
Irregularly-lobed yellowish-green thallus, turning blue-grey when wet. Lobes slightly ridged with large shallow depressions. Blue-grey soredia on ridges and margins. Under surface is pale-brown, tomentose and with whitish patches. Apothecia are infrequent.
Occurs on shaded trees in old woodland, most frequent in SW Ireland. Chemical reactions usually negative, sometimes K+ pale yellow, KC+ faint pink.
Lobaria scrobiculata. June and November 2009