The Smith et al. classification of 2006, based on
molecular phylogeny, lumped
Sceptridium within
Botrychium, in the
Ophioglossaceae, which was continued in the Christenhusz et al. classification of 2011{{cite journal |last1=Christenhusz |first1=Maarten J. M. |author-link1=Maarten J. M. Christenhusz |last2=Zhang |first2=Xian-Chun |last3=Schneider |first3=Harald |year=2011 |title=A linear sequence of extant families and genera of lycophytes and ferns ==Phylogeny==