G. M.  Ruiz, Fofonoff, P. W., Steves, B., Foss, S. F., and Shiba, S. N., ?Marine invasion history and vector analysis of California: a hotspot for western North America?, Diversity and Distributions, vol. 17, pp. 362-373, 2011.

R. C.  de Barros, da Rocha, R. M., and Pie, M. R., ?Human-mediated global dispersion of Styela plicata (Tunicata, Ascidiacea)?, Aquatic Invasions, vol. 4, pp. 45-57, 2009.