Concise hierarchy

(Kingdom) Plantae - (Phylum) Tracheophyta - (Class) Polypodiopsida - (Order) Ophioglossales - (Family) Ophioglossaceae

Original position

Filices (Order) L. (1753), nom. inval.

Subsequent positions

Ophioglossales (Clade) Link 1833 [Cantino & Donoghue 2007]

Ref: P.D. Cantino et al., 2007: E15.

Current position

Ophioglossoideae (Subfamily) C.Presl

Ref: PPG I, 2016: 571.

Alternative positions

Filices (Order) L. (1753), nom. inval.	Ref: C. Linnaeus, 1753b: 1062.
Ophioglossaceae (Family) Martinov (1820)	Ref: D.J. Mabberley, 2017: 649.
Ophioglossales (Clade) Link 1833 [Cantino & Donoghue 2007]	Ref: P.D. Cantino et al., 2007: E15. [new position]

Historical positions

Ophioglossaceae (Family) Martinov (1820)	Ref: D.J. Mabberley, 2017: 649.
Ophioglossoideae (Subfamily) C.Presl	Ref: PPG I, 2016: 571.
Ophioglossaceae (Family) Martinov (1820)	Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 47.
Ophioglossaceae (Family) Martinov (1820)	Ref: D.J. Mabberley, 2008: 603.
Ophioglossales (Clade) Link 1833 [Cantino & Donoghue 2007]	Ref: P.D. Cantino et al., 2007: E15. [new position]
Ophioglossaceae (Family) Martinov (1820)	Ref: A.R. Smith et al., 2006: 709.
Ophioglossaceae (Family) Martinov (1820)	Ref: A.B. Doweld, 2001: IX (footnote ‡). [implicit]
Filicinophyta (Phylum)	Ref: L. Margulis & K.V. Schwartz, 1998: 398. [rough position]
Ophioglossaceae (Family) Martinov (1820)	Ref: R. van der Meijden, 1990: 60.
Filicinophyta (Phylum)	Ref: L. Margulis & K.V. Schwartz, 1982: 258. [rough position]
Ophioglossaceae (Family) Martinov (1820)	Ref: J.T. Mickel, 1982: 341.
Filices (Order) L. (1753), nom. inval.	Ref: C. Linnaeus, 1753b: 1062.

Number of Subtaxa

2025	Available in Systema Naturae 2000	1s
1989-present	Systema Naturae 2000	25s
2010	Royal Botanic Gardens, Kew & Missouri Botanical Garden: 10 Aug 2011	20s
1982	J.T. Mickel: 341	25s