Calliergon cordifolium f. coloratum (Arnell) Mönk. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Bryopsida order Hypnales family Calliergonaceae genus Calliergon species Calliergon richardsonii Name Homonyms Calliergon cordifolium var. coloratum (Arnell) Warnst. Calliergon cordifolium f. coloratum (Arnell) Mönk.