– Symbiotic Green Algae – KeytoNature: Los macrolíquenes epifitos de España. Una guía interactiva – Lichens of the Muniellos MAB Reserve Book, Asturias, Spain Links to other interesting websites – CIPRES Science Gateway – ALTER ALignment Transformation EnviRonment – Gblocks 0.91b – ASTURNATURA Calculadora de coordenadas – Index Fungorum – ITALIC 5.0 – The information system on Italian lichens