"Oscillatoria nigroviridis Thwaites, 1849" . "68984" . . "Oscillatoria nigroviridis" . . . _:b75415932 . "666021" . . _:b75415932 "AlgaeBase id" . _:b76691910 . _:b75415932 . "Thwaites, 1849" . . _:b76691910 . _:b76691910 . . "Oscillatoria nigroviridis" . _:b76691910 "666021" . _:b76691910 "WoRMS id" . . _:b75415932 . . . _:b75415932 "68984" . "692262" .