_:b75403397 "n2005e89fbf460b9e" . _:b76715009 . "Heterosiphonia wurdemannii var. laxa B\u00F8rgesen, 1919" . "Heterosiphonia wurdemannii var. laxa" . _:b76169147 . _:b75403397 "AlgaeBase id" . _:b76169147 "GBIF id" . _:b76715009 "WoRMS id" . . _:b76715009 "551828" . _:b75403397 . . "2659074" . . _:b75403397 . . "B\u00F8rgesen, 1919" . . . . "571377" . _:b76169147 . . "Heterosiphonia wurdemannii var. laxa" . . "551828" . "n2005e89fbf460b9e" . _:b76715009 . _:b76169147 . . _:b75403397 . _:b76169147 "2659074" . _:b76715009 .