Published in: Hindák, F. (1996). Two new species of the genus Radiocystis (Chroococcales, Cyanophyta/Cyanobacteria). Arch. Hydrobiol./Algolog. Stud. 83: 367-375.
The type species (holotype) of the genus Radiocystis is Radiocystis geminata Skuja.
Joosten, A.M.T. (2006). Flora of the blue-green algae of the Netherlands I The non-filamentous species of inland waters. pp. [1-]5-237. Utrecht: KNNV Publishing.