Leucadendron crassulaefolium R.O.Williams Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Proteales family Proteaceae genus Leucadendron species Leucadendron arcuatum Name Homonyms Leucadendron crassulaefolium R.O.Williams Leucadendron crassulaefolium (Salisb. ex Knight) I.Williams