Hystrichosphaeridium anthophorum
                
                
                
            
                Hystrichosphaeridium arundum
                
                
                
            
                Hystrichosphaeridium dictyophorum
                
                
                
            
                Hystrichosphaeridium eoinodes
                
                
                
            
                Hystrichosphaeridium huguoniotii
                
                
                
            
                Hystrichosphaeridium microtriainum
                
                
                
            
                Hystrichosphaeridium piriferum
                
                
                
            
                Hystrichosphaeridium placacanthum
                
                
                
            
                Hystrichosphaeridium plicatum
                
                
                
            
                Hystrichosphaeridium polonicum
                
                
                
            
                Hystrichosphaeridium polyplasium
                
                
                
            
                Hystrichosphaeridium polytrichum
                
                
                
            
                Hystrichosphaeridium protellipticum
                
                
                
            
                Hystrichosphaeridium pseudhystrichodinium
                
                
                
            
                Hystrichosphaeridium pseudorecurvatum
                
                
                
            
                Hystrichosphaeridium pterophorum
                
                
                
            
                Hystrichosphaeridium pulcherrimum
                
                
                
            
                Hystrichosphaeridium quadridactylites
                
                
                
            
                Hystrichosphaeridium quadriradiatum
                
                
                
            
                Hystrichosphaeridium radiculatum
                
                
                
            
                Hystrichosphaeridium ramusculosum
                
                
                
            
                Hystrichosphaeridium raritanianum
                
                
                
            
                Hystrichosphaeridium readei
                
                
                
            
                Hystrichosphaeridium rehdense
                
                
                
            
                Hystrichosphaeridium renifarme
                
                
                
            
                Hystrichosphaeridium replexum
                
                
                
            
                Hystrichosphaeridium rhabdophorum
                
                
                
            
                Hystrichosphaeridium rhapalaphorum
                
                
                
            
                Hystrichosphaeridium rigens
                
                
                
            
                Hystrichosphaeridium rjabininii
                
                
                
            
                Hystrichosphaeridium robustum
                
                
                
            
                Hystrichosphaeridium rubinum
                
                
                
            
                Hystrichosphaeridium saturnium
                
                
                
            
                Hystrichosphaeridium scaffoldi
                
                
                
            
                Hystrichosphaeridium seminudum
                
                
                
            
                Hystrichosphaeridium setigerfurcatum
                
                
                
            
                Hystrichosphaeridium sexradiatum
                
                
                
            
                Hystrichosphaeridium sheppeyense
                
                
                
            
                Hystrichosphaeridium sibiricum
                
                
                
            
                Hystrichosphaeridium simplicispinum
                
                
                
            
                Hystrichosphaeridium siphoniphorum
                
                
                
            
                Hystrichosphaeridium spiciferum
                
                
                
            
                Hystrichosphaeridium spinellosum
                
                
                
            
                Hystrichosphaeridium spinescens
                
                
                
            
                Hystrichosphaeridium spiralisetum
                
                
                
            
                Hystrichosphaeridium staurasteroides
                
                
                
            
                Hystrichosphaeridium stellaeforme
                
                
                
            
                Hystrichosphaeridium stellatum
                
                
                
            
                Hystrichosphaeridium stephanophorum
                
                
                
            
                Hystrichosphaeridium striatoconus
                
                
                
            
                Hystrichosphaeridium striolatum
                
                
                
            
                Hystrichosphaeridium sylhetii
                
                
                
            
                Hystrichosphaeridium tiara
                
                
                
            
                Hystrichosphaeridium torynum
                
                
                
            
                Hystrichosphaeridium tribrachiosum
                
                
                
            
                Hystrichosphaeridium tridactylites
                
                
                
            
                Hystrichosphaeridium triplicativum
                
                
                
            
                Hystrichosphaeridium triradicosum
                
                
                
            
                Hystrichosphaeridium trisulcum
                
                
                
            
                Hystrichosphaeridium truncigerum
                
                
                
            
                Hystrichosphaeridium tschunense
                
                
                
            
                Hystrichosphaeridium tuberatum
                
                
                
            
                Hystrichosphaeridium tuberosum
                
                
                
            
                Hystrichosphaeridium unituberculatum
                
                
                
            
                Hystrichosphaeridium valgum
                
                
                
            
                Hystrichosphaeridium vasiformum
                
                
                
            
                Hystrichosphaeridium veliferum
                
                
                
            
                Hystrichosphaeridium vemustum
                
                
                
            
                Hystrichosphaeridium vestitum
                
                
                
            
                Hystrichosphaeridium whitei
                
                
                
            
                Hystrichosphaeridium williereae
                
                
                
            
                Hystrichosphaeridium wimanii
                
                
                
            
                Hystrichosphaeridium zonale