Concise hierarchy

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

Current position

Equisetales (Order) DC. ex Bercht. & J.Presl (1829)

Ref: PPG I, 2016: 570.

Alternative positions

Sphenopsida (Class)

Ref: R. van der Meijden, 1990: 56.

Historical positions

Equisetales (Order) DC. ex Bercht. & J.Presl (1829)	Ref: D.J. Mabberley, 2017: 335, App. (p. 997).
Equisetales (Order) DC. ex Bercht. & J.Presl (1829)	Ref: PPG I, 2016: 570.
Equisetales (Order) DC. ex Bercht. & J.Presl (1829)	Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 48.
Equisetales (Order) DC. ex Bercht. & J.Presl (1829)	Ref: T.N. Taylor et al., 2009: App. 1 (p. 1028).
Equisetales (Order) DC. ex Bercht. & J.Presl (1829)	Ref: D.J. Mabberley, 2008: 310, 928.
Equisetales (Order) DC. ex Bercht. & J.Presl (1829)	Ref: A.R. Smith et al., 2006: 709, fig. 2; 726.
Equisetales (Order) DC. ex Bercht. & J.Presl (1829)	Ref: A.B. Doweld, 2001: VII.
Equisetales (Order) DC. ex Bercht. & J.Presl (1829)	Ref: C.J. Cleal & B.A. Thomas, 1995: 13.
Sphenopsida (Class)	Ref: R. van der Meijden, 1990: 56.
Equisetales (Order) DC. ex Bercht. & J.Presl (1829)	Ref: J.T. Mickel, 1982: 340.
Pteridophyta (Division) Schimp. (1879)	Ref: D.M. Moore, 1982: 1. [rough position] [indirect]

Number of Subtaxa

2024	Available in Systema Naturae 2000	1g;15s;2v; †1g
1989-present	Systema Naturae 2000: 4 Mar 2023	[1g;15s; †1g]
2017	D.J. Mabberley: 335	1g;15s
2016	PPG I: 571	[1g]
2015	A. Novikoff & B. Barabasz-Krasny: 48	[1g; †1g]
2010	Royal Botanic Gardens, Kew & Missouri Botanical Garden: 12 Aug 2011	3g;25s
2008	D.J. Mabberley: 310	1g;15s
2006	A.R. Smith et al.: 709	1g;15s
1982	J.T. Mickel	1g15s