Merckia physodes (Fisch. ex Ser.) Fisch. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Caryophyllaceae genus Wilhelmsia species Wilhelmsia physodes Name Homonyms Merckia physodes (Fisch. ex Ser.) Fisch. ex Cham. & Schltdl. Merckia physodes (Fisch. ex Ser.) Fisch.