Senecio crassulus var. cusickii (Piper) Greenm. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Senecio species Senecio crassulus Name Homonyms Senecio crassulus var. cusickii (Piper) Greenm. Senecio crassulus subsp. cusickii (Piper) Greenm. ex Peck Senecio crassulus subsp. cusickii (Piper) Greenm.