Pycnolejeunea gradsteinii Ilk. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Marchantiophyta class Jungermanniopsida order Porellales family Lejeuneaceae genus Pycnolejeunea species Pycnolejeunea gradsteinii Name Homonyms Pycnolejeunea gradsteinii Ilk.-Borg. Pycnolejeunea gradsteinii Ilk.