Pelargonium rigidum J.C.Wendl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Geraniales family Geraniaceae genus Pelargonium species Pelargonium sidoides Name Homonyms Pelargonium rigidum H.L.Wendl. ex Hoffmanns. Pelargonium rigidum Willd. Pelargonium rigidum H.L.Wendl.