Nitella opaca (C.Agardh ex Bruzelius) C.Agardh
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)
Drew, K.M. (1926). The "leaf" of Nitella opaca, Ag., and adventitious branch development from it.. Annals of Botany 40: 321-348.
Kairesalo, T., Jónsson, G.S., Gunnarsson, K. & Jónasson, P.M. (1989). Macro- and Microalgal production within a Nitella opaca bed in Lake Thingvallavatn, Iceland. Journal of Ecology 77: 332-342.