Book ID: 8339
                                                            
                                                            
                                                                
                                                                    
PrescottT, Gerald Webber, H.T.Croasdale and W.C. Vinyard
                                                                    
                                                                
                                                            
                                                                A synopsis of North American Desmids. Part 2: Desmidiaceae: Placodermae. Section 3. 1981. (Reprint 2002). 136 plates (line - drawings). 720 p. gr8vo. Hard- cover.
                                                            
                                                            
                                                                                                                            
                                                                    In Section 3 of the Cosmarieae the genera Actinotaenium, Cosmarium,Cosmocladium, and Oocardium are treated. It is planned that Sect. 4 will include Spinocosmarium, Arthrodesmus, Xanthidium, and Staurastrum,whereas Sect. 5 will deal with filamentous genera.