Sphagnum aongstroemii f. densum (Röll) Warnst. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Sphagnopsida order Sphagnales family Sphagnaceae genus Sphagnum species Sphagnum aongstroemii Name Homonyms Sphagnum aongstroemii f. densum (Röll) Warnst. Sphagnum aongstroemii var. densum Röll