PHILLIPS, Louise E., Hang-Gu CHOI, Gary W. SAUNDERS, & Gerald T. KRAFT 2000 (March 15) "Feb." The morphology, taxonomy, and molecular phylogeny of Heterocladia and Trigenea (Rhodomelaceae, Rhodophyta), with delineation of the little-known tribe Heterocladieae J. Phycol. 36(1): 199-219, 74 figs., 1 table [merges Trigenea Sonder 1845 with Heterocladia Decaisne 1842]