Sphagnum contortum f. robustum Röll Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Sphagnopsida order Sphagnales family Sphagnaceae genus Sphagnum species Sphagnum contortum Name Homonyms Sphagnum contortum var. robustum Warnst. Sphagnum contortum f. robustum Röll Sphagnum contortum var. robustum (Warnst.) C.E.O.Jensen