Seaweeds from sand-covered rocks of the Atlantic Iberian Peninsula. Part 2. Palmariales, Ceramiales (excluding Rhodomelaceae), Gelidiales, Gigartinales, Plocamiales, Rhodymeniales and Scytothamnales

This work presents a taxonomic, floristic and chorological account of the most representative turf-forming species from sand-covered rocks along the Atlantic Iberian Peninsula, including in this Part 2 species belonging to six orders of the Rhodophyta and one of the Phaeophyceae. For each species are provided morphological descriptions, distribution maps, and/or COI-5P sequences, as well as taxonomic notes. The species studied are: Rhodothamniella floridula, Ceramium ciliatum, Erythroglossum lusitanicum, Hypoglossum hypoglossoides, Ptilothamnion sphaericum, Spermothamnion repens, Tiffaniella capitata, Gelidium crinale, G. spathulatum, Pterocladiella melanoidea, Calliblepharis hypneoides, Gymnogongrus griffithsiae, Plocamium maggsiae, Gastroclonium reflexum and Bachelotia antillarum.