Pleurotaenium trabecula var. rectissimum West & G.S.West, 1904 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Haplotaenium species Haplotaenium rectum Name Homonyms Pleurotaenium trabecula var. rectissimum West & G.S.West, 1904