Macrothelypteris torresiana

Macrothelypteris torresiana
	Macrothelypteris torresiana in Kobe, Japan
Conservation status
	; Apparently Secure (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Class:	Polypodiopsida
Order:	Polypodiales
Suborder:	Aspleniineae
Family:	Thelypteridaceae
Genus:	Macrothelypteris
Species:	M. torresiana
Binomial name
	Macrothelypteris torresiana; (Gaudich.) Ching
Synonyms
	Thelypteris torresiana (Gaudich.) Alston;

Macrothelypteris torresiana is a species of fern which is native to tropical and subtropical Africa and Asia. It has been introduced into other areas, including large parts of North and South America.[1][2]

The species is assigned to different genera depending on how the family Thelypteridaceae is classified. If the entire family is classified in Thelypteris, it is Thelypteris torresiana. However, molecular data shows an affinity between a group of species which are sometimes classified in Macrothelypteris, Phegopteris, and allied genera,[3] so it is common to remove this species from Thelypteris and classify it as Macrothelypteris torresiana.

Macrothelypteris torresiana contains flavonoids which have been investigated for possible medicinal value.[4]

References

"Macrothelypteris torresiana". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved September 26, 2011.
Macrothelypteris torresiana (Gaudichaud Beaupré) Ching, Flora of North America
Smith, Alan R.; Cranfill, Raymond B. (2002), "Intrafamilial Relationships of the Thelypteroid Ferns (Thelypteridaceae)", American Fern Journal, 92 (2): 131, doi:10.1640/0002-8444(2002)092[0131:IROTTF]2.0.CO;2
Fang, W; Ruan, J; Cai, Y; Wei, A; Zhou, D; Zhang, W (2011), "Flavonoids from the aerial parts of Macrothelypteris torresiana", Natural Product Research, 25 (1): 36–9, doi:10.1080/14786411003766888, PMID 21240759

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[1] "Macrothelypteris torresiana". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved September 26, 2011.

[2] Macrothelypteris torresiana (Gaudichaud Beaupré) Ching, Flora of North America

[3] Smith, Alan R.; Cranfill, Raymond B. (2002), "Intrafamilial Relationships of the Thelypteroid Ferns (Thelypteridaceae)", American Fern Journal, 92 (2): 131, doi:10.1640/0002-8444(2002)092[0131:IROTTF]2.0.CO;2

[4] Fang, W; Ruan, J; Cai, Y; Wei, A; Zhou, D; Zhang, W (2011), "Flavonoids from the aerial parts of Macrothelypteris torresiana", Natural Product Research, 25 (1): 36–9, doi:10.1080/14786411003766888, PMID 21240759