Lithothamnion polymorphum f. sublaeve (Foslie) A.Zinova, 1955 Dataset Rank FORM Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Corallinales family Hapalidiaceae genus Phymatolithon species Phymatolithon lenormandii Name Homonyms Lithothamnion polymorphum f. sublaeve (Foslie) A.Zinova, 1955