Principal / Líquens / Leproplaca xantholyta (=Caloplaca xantholyta)
Leproplaca xantholyta (=Caloplaca xantholyta)
Image Details
Descripción:
Picture taken on the 1st March 2008 at Villa Joana, Vallvidrera, Barcelona, on a vertical wall, damp constructive brick
Thallus powdery, asexual reproduction, often fragmented, with certain lobate margins (not necessarily all), yellow mustad, white medulla evident in certain parts of the thallus.
Thallus K+ purple.
Be careful with Caloplaca citrina, normally areolate.
See good pictures in:
Història Natural dels Països Catalans, Fongs i Líquens, pag. 457.
Wirth et alter, Líquenes, musgos y hepáticas, Edit Omega, pag. 308.