Hopkinsia MacFarland, 1905 is a junior synonym of Okenia Menke, 1830, according to Gosliner, 2004: 126 ('SYN. NOV.') For full details, see Wikispecies: http://species.wikimedia.org/wiki/Hopkinsia_(Animalia)
REFERENCES
Gosliner, T.M. 2004: Phylogenetic systematics of Okenia, Sakishimaia, Hopkinsiella and Hopkinsia (Nudibranchia: Goniodorididae) with descriptions of new species from the tropical Indo-Pacific. Proceedings of the California Academy of Sciences, 55(5): 125-161.
Hopkinsia is a genus of plants in the family Restionaceae, first described as a genus in 1904. The entire group is endemic to southwestern Australia.[1][2]
Hopkinsia is a genus of plants in the family Restionaceae, first described as a genus in 1904. The entire group is endemic to southwestern Australia.
Species Hopkinsia adscendens B.G.Briggs & L.A.S.Johnson Hopkinsia anoectocolea (F.Muell.) D.F.Cutler