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Taxon: Family Cycadaceae Pers. (1807), nom. cons. - Cycas family (plant)

Entity:

Concise hierarchy

(Kingdom) Plantae - (Phylum) Tracheophyta - (Class) Spermatopsida - (Order) Cycadales

Current position

Cycadales (Order) Pers. ex Bercht. & J.Presl (1820)

Ref: D.J. Mabberley, 2017: App. (p. 999).

Alternative positions

Cycadatae (Class)

Ref: T.A. Zanoni, 1982: 349.

Historical positions

*Cycadales* (Order) Pers. ex Bercht. & J.Presl (1820)	Ref: D.J. Mabberley, 2017: App. (p. 999).
*Cycadales* (Order) Pers. ex Bercht. & J.Presl (1820)	Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 58.
*Cycadales* (Order) Pers. ex Bercht. & J.Presl (1820)	Ref: M.J.M. Christenhusz et al., 2011: 57.
*Cycadales* (Order) Pers. ex Bercht. & J.Presl (1820)	Ref: D.J. Mabberley, 2008: 242, 929.
*Cycadales* (Order) Pers. ex Bercht. & J.Presl (1820)	Ref: A.B. Doweld, 2001: XV.
*Cycadales* (Order) Pers. ex Bercht. & J.Presl (1820)	Ref: C.J. Cleal & B.A. Thomas, 1995: 14.
*Cycadatae* (Class)	Ref: T.A. Zanoni, 1982: 349.

Number of Subtaxa

2026	Available in Systema Naturae 2000	1g;5s; †1g
1989-present	Systema Naturae 2000: 19 Apr 2023	[1g; †1g]
2015	A. Novikoff & B. Barabasz-Krasny: 58	[1g; †1g]
2011	M.J.M. Christenhusz et al.: 57	1g;~107s
2011	M.J.M. Christenhusz et al.: 57	1g;~107s
2010	Royal Botanic Gardens, Kew & Missouri Botanical Garden: 12 Aug 2011	1g;90s
2008	D.J. Mabberley: 242	1g;50s
1982	T.A. Zanoni	[1g]

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Last updated: 28 Aug 2026