Concise hierarchy

(Kingdom) Plantae - (Phylum) Tracheophyta - (Class) Polypodiopsida - (Order) Polypodiales

Subsequent positions

Aspleniineae (Suborder) H.Schneid. & C.J.Rothf. (2016)

Ref: PPG I, 2016: 582.

Current position

Aspleniineae (Suborder) H.Schneid. & C.J.Rothf. (2016)

Ref: PPG I, 2016: 582. [new position]

Alternative positions

Dryopteridales (Order) Schmakov (2001)	Ref: A.B. Doweld, 2001: XI.
eupolypods ([unranked])	Ref: T.N. Taylor et al., 2009: App. 1 (p. 1028).
eupolypods II ([unranked])	Ref: A.R. Smith et al., 2006: 708; PPG I, 2016: fig. 1.
Polypodiales (Order) Link (1833)	Ref: D.J. Mabberley, 2017: App. (p. 998).

Historical positions

Polypodiales (Order) Link (1833)	Ref: D.J. Mabberley, 2017: 648, App. (p. 998).
Aspleniineae (Suborder) H.Schneid. & C.J.Rothf. (2016)	Ref: PPG I, 2016: 582. [new position]
Polypodiales (Order) Link (1833)	Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 52.
eupolypod families ([unranked])	Ref: T.N. Taylor et al., 2009: table (p. 386), App. 1 (p. 1028).
Polypodiales (Order) Link (1833)	Ref: D.J. Mabberley, 2008: 602, 929.
eupolypods II ([unranked])	Ref: A.R. Smith et al., 2006: 716-717, fig. 2; 727.
Dryopteridales (Order) Schmakov (2001)	Ref: A.B. Doweld, 2001: XI.

Number of Subtaxa

2025	Available in Systema Naturae 2000	4g;1s
1989-present	Systema Naturae 2000: 20 Jun 2023	[4g]
2017	D.J. Mabberley: 648	4g;5s
2016	PPG I: 582	[4g]
2015	A. Novikoff & B. Barabasz-Krasny: 52	[4g]
2008	D.J. Mabberley: 602	3g;4s
2006	A.R. Smith et al.: 716	4g;5s