Concise hierarchy

(Kingdom) Plantae - (Phylum) Tracheophyta - (Class) Spermatopsida - (Order) Ceratophyllales - (Family) Ceratophyllaceae

Original position

Monoecia Polyandria (Order) L. (1753), nom. inval.

Subsequent positions

Angiospermae (Clade) Lindley 1830 [Cantino & Donoghue 2007], nom. cl. inval.		Ref: P.D. Cantino et al., 2007: E22.
Ceratophyllaceae (Family) Gray (1822), nom. cons.
Mesangiospermae (Clade) Donoghue, Doyle & Cantino 2007, nom. cl. inval.		Ref: P.D. Cantino et al., 2007: E24, fig. 1.

Current position

Ceratophyllaceae (Family) Gray (1822), nom. cons.

Ref: D.J. Mabberley, 2008: 169.

Alternative positions

Mesangiospermae (Clade) Donoghue, Doyle & Cantino 2007, nom. cl. inval.	Ref: P.D. Cantino et al., 2007: fig. 1. [new position]
Monoecia Polyandria (Order) L. (1753), nom. inval.	Ref: C. Linnaeus, 1753b: 992.

Historical positions

Ceratophyllaceae (Family) Gray (1822), nom. cons.	Ref: D.J. Mabberley, 2008: 938.
Mesangiospermae (Clade) Donoghue, Doyle & Cantino 2007, nom. cl. inval.	Ref: P.D. Cantino et al., 2007: E24, fig. 1. [new position]
Ceratophyllaceae (Family) Gray (1822), nom. cons.	Ref: A.B. Doweld, 2001: XXV (footnote §). [implicit]
Ceratophyllaceae (Family) Gray (1822), nom. cons.	Ref: A. Takhtajan, 1997: 81.
Ceratophyllaceae (Family) Gray (1822), nom. cons.	Ref: R. van der Meijden, 1990: 145.
Ceratophyllaceae (Family) Gray (1822), nom. cons.	Ref: A. Cronquist, 1982: 367.
Monoecia Polyandria (Order) L. (1753), nom. inval.	Ref: C. Linnaeus, 1753b: 992.

Number of Subtaxa

2024	Available in Systema Naturae 2000	3s
1989-present	Systema Naturae 2000	[11s]
2010	Royal Botanic Gardens, Kew & Missouri Botanical Garden: 10 Aug 2011	4s
1997	A. Takhtajan: 81	[11s]
1982	A. Cronquist	6s