Helminthostachys

Helminthostachys
	Helminthostachys zeylanica
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Order:	Ophioglossales
Family:	Ophioglossaceae
Subfamily:	Helminthostachyoideae; C.Presl
Genus:	Helminthostachys; Kaulf. 1824
Type species
	Helminthostachys dulcis; Kaulfuss 1822
Species
	†H. halcabadica Fokina 1963; H. zeylanica (L. 1753) Hook. 1824;
Synonyms
	Botryopteris C. Presl 1825 non Renault 1875 ; Ophiala Desv. 1827 ;

Helminthostachys is a fern genus in the Ophioglossaceae (adder's tongue) family.^[3] It is widespread throughout southeast Asia and Australia.

Taxonomy

The Smith et al. classification of 2006, based on molecular phylogeny, placed Helminthostachys in Ophioglossaceae.^[4] Subsequent classifications have maintained this placement.^[5]^[6]^[7] The PPG I classification assigns it as the sole member of the subfamily Helminthostachyoideae.^[7]

References

^ subtaxa Tropicos.org. Missouri Botanical Garden. 15 Jan 2012
^ synonyms Tropicos.org. Missouri Botanical Garden. 15 Jan 2012
^ details Tropicos.org. Missouri Botanical Garden. 15 Jan 2012
^ Smith, Alan R.; Pryer, Kathleen M.; Schuettpelz, Eric; Korall, Petra; Schneider, Harald; Wolf, Paul G. (2006). "A classification for extant ferns" (PDF). Taxon. 55 (3): 705–731. doi:10.2307/25065646. JSTOR 25065646.
^ Christenhusz, Maarten J. M.; Zhang, Xian-Chun; Schneider, Harald (2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa. 19: 7–54. doi:10.11646/phytotaxa.19.1.2.
^ Christenhusz, Maarten J.M.; Chase, Mark W. (2014). "Trends and concepts in fern classification". Annals of Botany. 113 (9): 571–594. doi:10.1093/aob/mct299. PMC 3936591. PMID 24532607.
^ ^a ^b PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution. 54 (6): 563–603. doi:10.1111/jse.12229. S2CID 39980610.

This fern-related article is a stub. You can help Wikipedia by expanding it.

[1] subtaxa Tropicos.org. Missouri Botanical Garden. 15 Jan 2012

[2] synonyms Tropicos.org. Missouri Botanical Garden. 15 Jan 2012

[3] tails Tropicos.org. Missouri Botanical Garden. 15 Jan 2012

[Smith-2006-4] Smith, Alan R.; Pryer, Kathleen M.; Schuettpelz, Eric; Korall, Petra; Schneider, Harald; Wolf, Paul G. (2006). "A classification for extant ferns" (PDF). Taxon. 55 (3): 705–731. doi:10.2307/25065646. JSTOR 25065646.

[Christenhusz-2011-5] Christenhusz, Maarten J. M.; Zhang, Xian-Chun; Schneider, Harald (2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa. 19: 7–54. doi:10.11646/phytotaxa.19.1.2.

[ChriChas14-6] Christenhusz, Maarten J.M.; Chase, Mark W. (2014). "Trends and concepts in fern classification". Annals of Botany. 113 (9): 571–594. doi:10.1093/aob/mct299. PMC 3936591. PMID 24532607.

[PPGI-7] PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution. 54 (6): 563–603. doi:10.1111/jse.12229. S2CID 39980610.

[1]

[2]

[3]

[4]

[5]

[6]

[7]