Helminthostachys is a fern genus in the Ophioglossaceae (adder's tongue) family.[3] It is widespread throughout southeast Asia and Australia.
| Helminthostachys | |
|---|---|
 | |
| Helminthostachys zeylanica | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| 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 | |
| |
| Synonyms | |
| |
Taxonomy
editThe 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
edit- ↑ 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.
- 1 2 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.
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