Lithops optica subsp. rubra (Tischer) H.Jacobsen Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Aizoaceae genus Lithops species Lithops optica Name Homonyms Lithops optica var. rubra (Tischer) Tischer Lithops optica f. rubra (Tischer) Jacobsen Lithops optica subsp. rubra (Tischer) H.Jacobsen