Saprolegnia ferax (Gruith.) Nees Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Oomycota class Peronosporea order Saprolegniales family Saprolegniaceae genus Saprolegnia species Saprolegnia ferax Name Homonyms Saprolegnia ferax (Gruith.) Nees Saprolegnia ferax (Gruith.) Thur. Saprolegnia ferax (Gruith.) Kütz.