Botrychium simplex E. Hitchc. species accepted

Botrychium tenebrosum A. A. Eaton species accepted

Botrychium acuminatum W. H. Wagner species accepted

Botrychium alaskense W. H. Wagner & J. R. Grant species accepted

Botrychium angustisegmentum (Pease & A. H. Moore) Fernald species accepted

Botrychium ascendens W. H. Wagner species accepted

Botrychium boreale Milde species accepted

Botrychium campestre W. H. Wagner & Farrar species accepted

Botrychium crenulatum W. H. Wagner species accepted

Botrychium dusenii (Christ) Alston species accepted

Botrychium echo W. H. Wagner species accepted

Botrychium gallicomontanum Farrar & Johnson-Groh species accepted

Botrychium hesperium (Maxon & R. T. Clausen) W. H. Wagner & Lellinger species accepted

Botrychium lanceolatum (S. G. Gmel.) Ångstr. species accepted

Botrychium lineare W. H. Wagner species accepted

Botrychium lunaria (L.) Sw. species accepted

Botrychium matricariifolium (Döll) A. Braun ex Koch species accepted

Botrychium michiganense W. H. Wagner ex A. V. Gilman, Farrar & Zika species accepted

Botrychium minganense Vict. species accepted

Botrychium montanum W. H. Wagner species accepted

Botrychium mormo W. H. Wagner species accepted

Botrychium neolunaria Stensvold & Farrar species accepted

Botrychium nordicum Stensvold & Farrar species accepted

Botrychium pallidum W. H. Wagner species accepted

Botrychium paradoxum W. H. Wagner species accepted

Botrychium pedunculosum W. H. Wagner species accepted

Botrychium pinnatum H. St. John species accepted

Botrychium pseudopinnatum W. H. Wagner species accepted

Botrychium pumicola Coville ex Underw. species accepted

Botrychium socorrense W. H. Wagner species accepted

Botrychium spathulatum W. H. Wagner species accepted

Botrychium tolucaense W. H. Wagner & Mickel species accepted

Botrychium tunux Stensvold & Farrar species accepted

Botrychium yaaxudakeit Stensvold & Farrar species accepted

Botrychium onondagense Underw. species accepted

Botrychium × watertonense W. H. Wagner species accepted

Botrychium furculatum S. J. Popovich & Farrar species accepted

Botrychium farrarii Legler & S. J. Popovich species accepted

Botrychium rubellum Stensvold & Farrar species accepted