Calamus metzianus Schltdl. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Linnaea 26: 727 (1855) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Arecales family Arecaceae genus Calamus species Calamus metzianus Name Synonyms Calamus rivalis Thwaites Calamus rivalis Thwaites ex Trimen Calamus rudentum Mart. Palmijuncus rivalis (Thwaites ex Trimen) Kuntze Homonyms Calamus metzianus Schltdl.