Concise hierarchy

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

Subsequent positions

Leptosporangiatae (Clade) Bessey 1907 [Cantino & Donoghue 2007]

Ref: P.D. Cantino et al., 2007: E16.

Subsequent entries

Trichomanes (Genus) L. (1753)

Current position

Hymenophyllales (Order) Link (1833)

Ref: PPG I, 2016: 573.

Alternative positions

Filicales (Order) Dumort. (1829), nom. illeg.	Ref: T.N. Taylor et al., 2009: App. 1 (p. 1028).
Leptosporangiatae (Clade) Bessey 1907 [Cantino & Donoghue 2007]	Ref: P.D. Cantino et al., 2007: E16. [new position]

Historical positions

Hymenophyllales (Order) Link (1833)	Ref: D.J. Mabberley, 2017: 456, App. (p. 998).
Hymenophyllales (Order) Link (1833)	Ref: PPG I, 2016: 573.
Hymenophyllales (Order) Link (1833)	Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 49.
Filicales (Order) Dumort. (1829), nom. illeg.	Ref: T.N. Taylor et al., 2009: table (p. 386), App. 1 (p. 1028).
Hymenophyllales (Order) Link (1833)	Ref: D.J. Mabberley, 2008: 423, 928.
Leptosporangiatae (Clade) Bessey 1907 [Cantino & Donoghue 2007]	Ref: P.D. Cantino et al., 2007: E16. [new position]
Hymenophyllales (Order) Link (1833)	Ref: A.R. Smith et al., 2006: 710, fig. 2; 726.
Hymenophyllales (Order) Link (1833)	Ref: A.B. Doweld, 2001: IX.
Filicales (Order) Dumort. (1829), nom. illeg.	Ref: R.C. van Caenegem et al., 1979-1984
Filicales (Order) Dumort. (1829), nom. illeg.	Ref: J.T. Mickel, 1982: 343-344.
Pteridophyta (Division) Schimp. (1879)	Ref: D.M. Moore, 1982: 3. [rough position] [indirect]
Hymenophyllales (Order) Link (1833)	Ref: L.J. Audus & V. Heywood, 1981: 1246.

Number of Subtaxa

2025	Available in Systema Naturae 2000	9g;2s; †1g
1989-present	Systema Naturae 2000: 16 Jun 2023	[9g; †1g]
2017	D.J. Mabberley: 456	9g;1000s
2016	PPG I: 573	[9g]
2015	A. Novikoff & B. Barabasz-Krasny: 49	[9g; †1g]
2010	Royal Botanic Gardens, Kew & Missouri Botanical Garden: 12 Aug 2011	31g;372s
2008	D.J. Mabberley: 423	9g;700s
2006	A.R. Smith et al.: 710	9g;~600s
1982	J.T. Mickel	7-33[7]g650s
1981	L.J. Audus & V. Heywood	38g