Kenneth E. Clifton & Lisa M. Clifton (1999): The pheonology of sexual reproduction by green algae (Bryopsidales) on Carribbean coreal reefs. Journal of Phycology 35 (1): 24–34. doi:10.1046/j.1529-8817.1999.3510024.x
Nicholas E. Curtis, Steven E. Massey, Sidney K. Pierce (2006): The symbiotic chloroplasts in the sacoglossan Elysia clarki are from several algal species. Invertebrate Biology 125 (4): 336–345. doi:10.1111/j.1744-7410.2006.00065.x (open access)
Wiebe H.C.F. Kooistra (2006): Molecular phylogenies of Udoteaceae (Bryopsidales, Chlorophyta) reveal nonmonophyly for Udotea, Penicillus and Chlorodesmis. Phycologia 41 (5): 453–462. doi:10.2216/i0031-8884-41-5-453.1
Heroen Verbruggen, Matt Ashworth, Steven T. LoDuca, Caroline Vlaeminck, Ellen Cocquyt, Thomas Sauvage, Frederick W. Zechman, Diane S. Littler, Mark M. Littler, Frederik Leliaert, Olivier De Clerck (2009): A multi-locus time-calibrated phylogeny of the siphonous green algae. Molecular Phylogenetics and Evolution 50: 642–653. doi:10.1016/j.ympev.2008.12.018