Rana kl. hispanica had a hybrid origin from Rana bergeri and Rana ridibunda. However, some authors regard this taxon as a subspecies of Rana lessonae Camerano, [1882]
Adult, Oasi del Simeto, Sicily, Italy, October 2001 (Photo by Jan Van Der Voort)
Adult, Oasi del Simeto, Sicily, Italy, October 2001. Callus internus (Photo by Jan Van Der Voort)