Actinostachys

Actinostachys
	A. melanesica in the collections of the Auckland Museum
Scientific classification
Kingdom:	Plantae
Clade:	Embryophytes
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Schizaeales
Family:	Schizaeaceae
Genus:	Actinostachys; Wall.
Type species
	Actinostachys digitata; (L.) Wallich ex Reed
Species
	See text

Actinostachys is a genus of small ferns originally included in the genus Schizaea. The genus was segregated on the basis of the flabelliform (fan-shaped) laminae. The genus is colloquially called the ray ferns.

Phylogeny

As of June 2026, World Ferns accepted the following seventeen species:^[1]

Phylogeny of Actinostachys^[2]^[3]

Other species include:

Actinostachys

A. digitata (L.) Wallich ex C.F. Reed

A. wagneri (Selling) C.F. Reed

	A. pennula (Sw.) Hook.

	A. subtrijuga (Mart.) C. Presl

A. confusa (Selling) C.F. Reed

	A. laevigata (Mett.) C.F. Reed

	A. melanesica (Selling) C.F. Reed

Actinostachys balansae (Fourn.) C.F. Reed
Actinostachys inopinata (Selling) C.F. Reed
Actinostachys intermedia (Mett.) C.F. Reed
Actinostachys macrofunda Bierh.
Actinostachys minuta Amoroso & Coritico
Actinostachys oligostachys Bierh.
Actinostachys plana (Fourn.) C.F. Reed
Actinostachys simplex Amoroso & Coritico
Actinostachys spirophylla (W. Troll) C.F. Reed
Actinostachys tenuis (Fourn.) C.F. Reed

References

↑ Hassler, Michael. "Actinostachys". World Ferns. Retrieved 2 June 2026.
↑ Nitta, Joel H.; Schuettpelz, Eric; Ramírez-Barahona, Santiago; Iwasaki, Wataru; et al. (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science. 13 909768. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.
↑ "Tree viewer: interactive visualization of FTOL". FTOL v1.7.0 (GenBank release 261). 2024. Retrieved 1 May 2025.

World species list of Actinostachys: https://web.archive.org/web/20090908034926/http://homepages.caverock.net.nz/~bj/fern/actinostachys.htm

[1] Hassler, Michael. "Actinostachys". World Ferns. Retrieved 2 June 2026.

[2] Nitta, Joel H.; Schuettpelz, Eric; Ramírez-Barahona, Santiago; Iwasaki, Wataru; et al. (2022). "An Open and Continuously Updated Fern Tree of Life". Frontiers in Plant Science. 13 909768. doi:10.3389/fpls.2022.909768. PMC 9449725. PMID 36092417.

[3] "Tree viewer: interactive visualization of FTOL". FTOL v1.7.0 (GenBank release 261). 2024. Retrieved 1 May 2025.

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