Pérez-Vargas, Israel Pérez-Vargas, Consuelo Hernández-Padrón, P. L. Pérez de Paz, P. P. G. van den Boom, and P. M. Jørgensen. 2014. “A New Species in the Lichen Genus <em>Vahliella </em>from the Canary Islands, Including a Key to <em>Vahliellaceae</em>, <em>Pannariaceae</em>, and <em>Coccocarpiaceae</em> In Macaronesia”. Phytotaxa 167 (2):183–188. https://doi.org/10.11646/phytotaxa.167.2.4.