Sphagnum cavifolium f. squarrosulum Grav. ex Warnst. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Bryophyta class Sphagnopsida order Sphagnales family Sphagnaceae genus Sphagnum species Sphagnum denticulatum Name Homonyms Sphagnum cavifolium f. squarrosulum Grav. Sphagnum cavifolium f. squarrosulum Grav. ex Warnst.