Concise hierarchy

(Kingdom) Plantae - (Phylum) Tracheophyta

Phylogeny

Paraphyletic/Ancestral (para)

Ref: K.M. Pryer et al., 2004: fig. 10.6.

Current position

spermatophytes ([unranked])

Ref: K.M. Pryer et al., 2004: fig. 10.6.

Alternative positions

Equisetopsida (Class) C.Agardh (1825)	Ref: M.J.M. Christenhusz et al., 2011: 57.
land plants ([unranked])	Ref: T.N. Taylor et al., 2009: App. 1 (p. 1028).
seed-plants ([unranked])	Ref: D.J. Mabberley, 2017: App. (p. 999).
Tracheata ([unranked])	Ref: L. Margulis & K.V. Schwartz, 1998: 374.

Historical positions

[Seed-Plants; Spermatophyta] ([unranked])	Ref: D.J. Mabberley, 2017: App. (p. 999).
Equisetopsida (Class) C.Agardh (1825)	Ref: M.J.M. Christenhusz et al., 2011: 56, 57.
Land plants ([unranked])	Ref: T.N. Taylor et al., 2009: App. 1 (p. 1028).
Equisetopsida (Class) C.Agardh (1825)	Ref: M.W. Chase & J.L. Reveal, 2009: 123.
spermatophytes ([unranked])	Ref: K.M. Pryer et al., 2004: fig. 10.6.
Tracheata ([unranked])	Ref: L. Margulis & K.V. Schwartz, 1998: 374.

Number of Subtaxa

2024	Available in Systema Naturae 2000	†5o;15f;8g;1s
1989-present	Systema Naturae 2000	[4sc;8o;12f;83g]
2017	D.J. Mabberley: App. (p. 999)	4o;12f
2011	M.J.M. Christenhusz et al.: 57-65	[4sc;8o;12f;83g]
2010	Royal Botanic Gardens, Kew & Missouri Botanical Garden: 12 Aug 2011	14f;88g;~1000[1088]s
1998	L. Margulis & K.V. Schwartz: 373	65g720s
1998	L. Margulis & K.V. Schwartz: 373	65g;720s