Rhodymenia holmesii Ardissone Dataset Belgian Species List Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Rhodophyceae order Rhodymeniales family Rhodymeniaceae genus Rhodymenia species Rhodymenia holmesii Name Synonyms Rhodymenia pseudopalmata (J.V.Lamouroux) P.C.Silva Homonyms Rhodymenia holmesii Ardissone