Contains 3 genera and 3 accepted taxa overall.
Characteristics
ATHYRIACEAE
                        Ferns and Allies
                            -
                        Classification
POLYPODIALES
        ATHYRIACEAE
        [Family identification key]
                                
                                    1.  Costae with multicellular hairs, costal grooves shallow and not decurrent into rachis groove 
                                
                        
                        
                        
                    
                                
                                    1.  Costae without multicellular hairs, costal grooves deep and decurrent into rachis groove 
                                
                        
                        
                        
                            2
                        
                    
                                
                                    2.  Leaf nearly entirely 2- or more pinnate; pinnules mostly oblong-elliptic; sori J-shaped 
                                
                        
                        
                        
                    
                                
                                    2.  Leaf usually pinnate or partly pinnate and partly 2- or more pinnate; pinnules mostly lanceolate; sori linear to slightly falcate