Concise hierarchy

(Kingdom) Plantae

Subsequent positions

Apo-Tracheophyta (Clade) Cantino & Donoghue 2007, nom. cl. inval.

Ref: P.D. Cantino et al., 2007: E10 ("sensu Kenrick & Crane (1997)").

Current position

†Rhyniophyta (Phylum) Cronquist, Takht. & Zimmerm. (1966)

Ref: A.B. Doweld, 2001: V.

Alternative positions

Apo-Tracheophyta (Clade) Cantino & Donoghue 2007, nom. cl. inval.	Ref: P.D. Cantino et al., 2007: E10.
Pteridophyta (Division) Schimp. (1879)	Ref: C.J. Cleal & B.A. Thomas, 1995: 12.
†Rhyniophyta (Division) Cronquist, Takht. & Zimmerm. (1966)	Ref: Новіков, А. & Барабаш-Красни, Б. / Novikoff, A. & Barabasz-Krasny, B., 2015: 44.
†Rhyniophytina (Subphylum) Banks, 1968	Ref: A.B. Doweld, 2001: V. [implicit]
Tracheophyta (Division)	Ref: P. Kenrick & P.R. Crane, 1997a: table 7.1 (p. 228).

Historical positions

†Rhyniophyta (Division) Cronquist, Takht. & Zimmerm. (1966)	Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 44.
Apo-Tracheophyta (Clade) Cantino & Donoghue 2007, nom. cl. inval.	Ref: P.D. Cantino et al., 2007: E10.
†Rhyniophyta (Phylum) Cronquist, Takht. & Zimmerm. (1966)	Ref: A.B. Doweld, 2001: V.
Tracheophyta (Division)	Ref: P. Kenrick & P.R. Crane, 1997a: table 7.1 (p. 228).
Pteridophyta (Division) Schimp. (1879)	Ref: C.J. Cleal & B.A. Thomas, 1995: 12.
Pteridophyta (Division) Schimp. (1879)	Ref: R.C. van Caenegem et al., 1979-1984

Number of Subtaxa

2024	Available in Systema Naturae 2000	†3o;4f;12g;5s
1989-present	Systema Naturae 2000: 25 Jan 2023	[; †3o;4f;12g]
2015	A. Novikoff & B. Barabasz-Krasny: 44	[; †4o;5f;12g]
2001	A.B. Doweld: V	[; †3o;3f]
1995	C.J. Cleal & B.A. Thomas: 12	[; †1o;1f]