Type locality: Cala St Francesc, Blanes (41º41'N, 2º48'E), Spain, Mediterranean Sea.
Holotype: C. Izquierdo; 18 May 2003; 0.5 m depth, parasitic on Rhodymenia ardissonei. University of Girona HGI-A 5836a. gametophyte with cystocarps (eight microscope slides: S-5836a-1 to S-5836a-8). Isotypes: University of Girona, four sporophytes (HGI-A 5836b to e), two gametophytes (HGI-A 5836f to g) and eight microscope slides (S-5836b-1 to S-5836b-8) realized with the specimen HGI-A 5836b.