Ulva littorea Suhr
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)
Peckol, P. & Putnam, A.B. (2017). Differntial toxic effects of Ulva lactuca (Chlorophyta) on the herbivorous gastropods, Littorina littorea and L. obtusata (Mollusca). Journal of Phycology 53(2): 361-367.