BOO, Ga Hun, Daniel ROBLEDO, Gabriella ANDRADE-SORCIA, & Sung Min BOO 2018 (Sep. 15) Genetic discontinuity of Digenea (Rhodomelaceae, Rhodophyta) from Mexico supports recognition of two new species, D. mexicana and D. rafaelii Algae 33(3): 231-241, 4 figs., 1 table cardnote: