 Within the genus Inocybe , I. praetervisa has been placed in the subgenus Inocybe . Mycologist Rolf Singer places the species in the section Marginatae ; mycologist Thom Kuyper considers Marginatae a supersection , and includes I. praetervisa along with I. abietis , I. calospora and I. godeyi . Phylogenetics has shown that , in addition to the large clade of subgenus Inocybe , I. praetervisa forms a clade with I. calospora , I. lanuginosa and I. leptophylla . The species are similar in that all four have basidiospores with small nodules ; it was this feature that defined the genus Astrosporina , with then A. praetervisa as its type species . However , when phylogenetic analysis later concluded that nodulose @-@ spored Inocybe species do not form a monophyletic group , the name Astrosporina was deemed inappropriate at a generic level . But it may be considered useful at a lower level to refer to the clade of the four Inocybe species . Of those four , I. praetervisa is most closely related to I. calospora , with which it forms a smaller and closer clade . A different study also found the close relationship between I. praetervisa and I. calospora ; it also named I. teraturgus as a part of the clade containing I. praetervisa , I. calospora , I. lanuginosa and I. leptophylla . 
 Within the genus Inocybe , I. praetervisa <a href='been_done' title='1'><mark>has</mark></a> been placed in the subgenus Inocybe . Mycologist Rolf Singer <a href='uninflect' title='2'><mark>places</mark></a> the species in the section Marginatae ; mycologist Thom Kuyper <a href='uninflect' title='3'><mark>considers</mark></a> Marginatae a supersection , and <a href='uninflect' title='4'><mark>includes</mark></a> I. praetervisa along with I. abietis , I. calospora and I. godeyi . Phylogenetics <a href='been_done' title='5'><mark>has</mark></a> shown that , in addition to the large clade of subgenus Inocybe , I. praetervisa <a href='uninflect' title='6'><mark>forms</mark></a> a clade with I. calospora , I. lanuginosa and I. leptophylla . The species are similar in that all four <a href='got' title='7'><mark>have</mark></a> basidiospores with small nodules ; it was this feature that defined the genus Astrosporina , with then A. praetervisa as its type species . However , when phylogenetic analysis later concluded that nodulose @-@ spored Inocybe species do not form a monophyletic group , the name Astrosporina was deemed inappropriate at a generic level . But it may be considered useful at a lower level to refer to the clade of the four Inocybe species . Of those four , I. praetervisa <a href='drop_aux' title='8'><mark>is</mark></a>most closely related to I. calospora , with which it <a href='uninflect' title='9'><mark>forms</mark></a> a smaller and closer clade . A different study also found the close relationship between I. praetervisa and I. calospora ; it also named I. teraturgus as a part of the clade containing I. praetervisa , I. calospora , I. lanuginosa and I. leptophylla . 
Within da genus Inocybe , I. praetervisa done been placed in tdasubgenus Inocybe . Mycologist Rolf Singer place the species in thdaection Marginatae ; mycologist Thom Kuyper consider Marginatae a supersection , and include I. praetervisa along with I. abietis , I. calospora and I. godeyi . Phylogenetics done shown that , in addition to the bigass clade of subgenus Inocybe , I. praetervisa form a clade with I. calospora , I. lanuginosa and I. leptophylla . Thedaecies are similar in that all 4 got basidiospores wid small nodules ; it was this feature dat defined the daus Astrosporina , ww/then A. praetervisa as its type species . However , when phylogenetic analysis later concluded that nodulose @-@ spored Inocybe species do not form a monophyletic group , the nda Astrosporina was deemed inappropriate at a generic level . But it may b considered useful at a lower level to refer to the clade of the four Inocybe species . Of those fou4I. praetervisa most closely related to I. calospora , with which it form a smaller and closer clade . A diff study also found the close relationship between I. praetervisa and I. calospora ; it also named I. teraturgus as a part of the clade containing I. praetervisa , I. calospora , I. lanuginosa and I. leptophylla .