Hollenberg, George J
(University of Hawai'i Press, 1968-01)
Twenty-four tetrasiphonous species are described. The following species
or varieties are new: Polysiphonia anomala, P. apiculata, P. delicatula, P. flaceidissima
var. decimera, P. flaccidissima var. iki, P. flaccidissima ...