Concise hierarchy

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

Current position

Gleicheniales (Order) Link (1833)

Ref: PPG I, 2016: 573.

Alternative positions

Dipteridales (Order) Doweld (2001)	Ref: A.B. Doweld, 2001: X. [new position]
Filicales (Order) Dumort. (1829), nom. illeg.	Ref: T.N. Taylor et al., 2009: App. 1 (p. 1028).
Polypodiales (Order) Link (1833)	Ref: L.J. Audus & V. Heywood, 1981: 1246.

Historical positions

Gleicheniales (Order) Link (1833)	Ref: D.J. Mabberley, 2017: 302, App. (p. 998).
Gleicheniales (Order) Link (1833)	Ref: PPG I, 2016: 573.
Gleicheniales (Order) Link (1833)	Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 50.
Filicales (Order) Dumort. (1829), nom. illeg.	Ref: T.N. Taylor et al., 2009: table (p. 386), App. 1 (p. 1028).
Gleicheniales (Order) Link (1833)	Ref: D.J. Mabberley, 2008: 279-280, 928.
Gleicheniales (Order) Link (1833)	Ref: A.R. Smith et al., 2006: 710-711, fig. 2; 726.
Dipteridales (Order) Doweld (2001)	Ref: A.B. Doweld, 2001: X. [new position]
Filicales (Order) Dumort. (1829), nom. illeg.	Ref: C.J. Cleal & B.A. Thomas, 1995: 13.
Filicales (Order) Dumort. (1829), nom. illeg.	Ref: J.T. Mickel, 1982: 344.
Polypodiales (Order) Link (1833)	Ref: L.J. Audus & V. Heywood, 1981: 1246.

Number of Subtaxa

2024	Available in Systema Naturae 2000	2g;1s; †7g
1989-present	Systema Naturae 2000: 23 Mar 2023	[2g; †7g]
2017	D.J. Mabberley: 302	2g;11s
2016	PPG I: 573	[2g]
2015	A. Novikoff & B. Barabasz-Krasny: 50	[2g; †7g]
2010	Royal Botanic Gardens, Kew & Missouri Botanical Garden: 12 Aug 2011	2g;6s
2008	D.J. Mabberley: 279	2g;11s
2006	A.R. Smith et al.: 710	2g;~11s
1982	J.T. Mickel	1g8s
1981	L.J. Audus & V. Heywood	1g;8s