Tundra stream macroalgae of North America: composition distribution and physiological adaptations - Sheath, R.G.; Vis, M. L.; Hambrook, J.A.; Cole, K.M. (Hyrdobiologia, 1996)

The phenology of Lemanea fucina (Rhodophyta) in a Rhode Island River, USA - Vis, M. L.; Carlson, T.A.; Sheath, R.G. (Hyrdobiologia, 1990)