Dysphania (Amaranthaceae)

Dysphania là chi thực vật có hoa trong họ Amaranthaceae.

==Các loài==
Chi "Dysphania" được ghi nhận có 46 loài, được phân thành 4 nhánh:
- "Dysphania" sect. "Adenois" : 15 species, native in South and Middle America, now distributed worldwide from the tropics to warm-temperate regions:
- "Dysphania ambrosioides" - Epazote, Mexican-tea: native in North- and South America, naturalized in other continents.
- "Dysphania anthelmintica"
- "Dysphania burkartii"
- "Dysphania chilensis" - native in Argentina and Chile.
- "Dysphania multifida" - Cut-leaf goosefoot, small-leaved wormseed: native in South America, introduced from the tropics to warm-temperate regions.
- "Dysphania oblanceolata"
- "Dysphania tomentosa"
- "Dysphania venturii"
- "Dysphania" sect. "Botryoides" : with two subsections:
- "Dysphania" sect. "Botryoides" subsect. "Botrys" : with 9 species, worldwide, native in southern North America, northern South America, southern Eurasia and Africa.
-  "Dysphania botrys" - Jerusalem-oak, feather-geranium: native from Middle Europa to China (Xinjiang), naturalized or cultivated in other temperate regions.
-  "Dysphania nepalensis" - in Central Asia
-  "Dysphania procera"
-  "Dysphania pseudomultiflora" - In South Africa.
-  "Dysphania schraderiana"
- "Dysphania" sect. "Botryoides" subsect. "Incisa" :
-  "Dysphania dissecta" - south-western North America and in South America
-  "Dysphania incisa"
- "Dysphania" sect. "Dysphania", with 8 species in Australia:
- "Dysphania glandulosa" - in Australia
- "Dysphania glomulifera" - in Australia
- "Dysphania kalpari" - in Australia
- "Dysphania littoralis" - in Australia
- "Dysphania plantaginella" - in Australia
- "Dysphania platycarpa" - in Australia
- "Dysphania rhadinostachya" - in Australia
- "Dysphania simulans" - in Australia
- "Dysphania sphaerosperma" - in Australia
- "Dysphania valida" - in Australia
- "Dysphania" sect. "Orthospora" : with 7 species in New Zealand and Australia, some species introduced in other regions:
- "Dysphania carinata" - native in Australia, naturalized in other continents.
- "Dysphania cristata" - native in Australia, naturalized in other continents.
- "Dysphania melanocarpa" - black crumbweed
- "Dysphania pumilio" - Clammy goosefoot, small crumbweed: native in Australia, naturalized in other continents.
- "Dysphania pusilla"
- "Dysphania saxatilis"
- "Dysphania truncata"
- Not yet grouped to a section:
- "Dysphania atriplicifolia"
- "Dysphania bhutanica"
- "Dysphania bonariensis"
- "Dysphania × bontei"
- "Dysphania × christii"
- "Dysphania congestiflora"
- "Dysphania congolana" - in Africa
- "Dysphania geoffreyi"
- "Dysphania himalaica "
- "Dysphania kitiae"
- "Dysphania minuata"
- "Dysphania multiflora"
- "Dysphania neglecta"
- "Dysphania retusa"
- "Dysphania stellata" - This species has 6-8 tepals
- "Dysphania tibetica"

==Tham khảo==
- Steven E. Clemants & Sergei L. Mosyakin (2003): "Dysphania" - online. In: Flora of North America Editorial Committee (ed.): "Flora of North America North of Mexico. Volume 4: Magnoliophyta: Caryophyllidae, part 1". Oxford University Press, New York, , p. 267. (chapters description, distribution, systematics)
- Sergei L. Mosyakin, Steven E. Clemants (2008): "Further Transfers of glandular-pubescent species from Chenopodium subg. Ambrosia to Dysphania (Chenopodiaceae)". In: "Journal of the Botanical Research Institute of Texas" Vol.2, Nr. 1, p. 425–431. (chapter systematics)
- Gelin Zhu, Sergei L. Mosyakin & Steven E. Clemants (2003): "Chenopodiaceae": "Dysphania" – online. In: Wu Zhengyi, Peter H. Raven, Deyuan Hong (Hrsg.): "Flora of China. Volume 5: Ulmaceae through Basellaceae". Science Press u.a., Beijing u.a., , p. 376. (chapter description, vernacular name)
- species and distribution at GRIN, retrieved 30 November 2011
- Gudrun Kadereit, Evgeny V. Mavrodiev, Elizabeth H. Zacharias, Alexander P. Sukhorukov (2010): "Molecular phylogeny of Atripliceae (Chenopodioideae, Chenopodiaceae): Implications for systematics, biogeography, flower and fruit evolution, and the origin of C4 Photosynthesis." In: "American Journal of Botany", 97(10), p. 1664–1687.
- "Dysphania ambrosioides" at "Liber Herbarum" , retrieved 30 November 2011.
- "Dysphania schraderiana" at "Liber Herbarum" , retrieved 30 November 2011.
- First publication scanned at "Biodiversity Heritage Library"
- Erich Oberdorfer, Theo Müller (1983): "Pflanzensoziologische Exkursionsflora". 5. ed., Ulmer, Stuttgart, , p. 342
- "Tropicos", retrieved 30 November 2011.
- Pertti Uotila (2011): "Chenopodiaceae (pro parte majore)". – In: "Euro+Med Plantbase – the information resource for Euro-Mediterranean plant diversity. Dysphania". "Euro+Med Plantbase", retrieved 30 November 2011.
- Distribution Map for Europe