Bültmann, Helga, Claude Roux, José Maria Egea, Philippe Julve, Oliver Bricaud, Giuseppe Giaccone, Lothar Täuscher, Marijke Creveld, Vincenzo Di Martino, Stjepko Golubić, and Nozomu Takeuchi. “Validations and Descriptions of European Syntaxa of Vegetation Dominated by Lichens, Bryophytes and Algae”. Lazaroa 36 (December 14, 2015): 107–129. https://doi.org/10.5209/rev_LAZA.2015.v36.51255.