''Agoseris'' is a small genus of annual or perennial herbs in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae ...

described as a genus in 1817. ''Agoseris'' is native to North America,

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the souther ...

and the

Falkland Islands The Falkland Islands (; es, Islas Malvinas, link=no ) is an archipelago in the South Atlantic Ocean on the Patagonian Shelf. The principal islands are about east of South America's southern Patagonian coast and about from Cape Dubou ...

. In general appearance, ''Agoseris'' is reminiscent of

dandelion ''Taraxacum'' () is a large genus of flowering plants in the family Asteraceae, which consists of species commonly known as dandelions. The scientific and hobby study of the genus is known as taraxacology. The genus is native to Eurasia and Nor ...

s and are sometimes called mountain dandelion or false dandelion. Like dandelions the plants are (mostly) stemless, the leaves forming a basal rosette, contain milky sap, produce several unbranched, stem-like flower stalks (

peduncle Peduncle may refer to: *Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed *Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body **Peduncle (art ...

s), each flower stalk bearing a single, erect, liguliferous flower head that contains several florets, and the flower head maturing into a ball-like seed head of beaked

achene An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not op ...

s, each achene with a pappus of numerous, white bristles.

Species

; Accepted speciesThe Plant List search for ''Agoseris''
/ref>Biota of North America Program 2013 county distribution maps
/ref>Flann, C (ed) 2009+ Global Compositae Checklist
/ref> * '' Agoseris apargioides'' - seaside agoseris - CA OR WA * '' Agoseris aurantiaca'' - orange agoseris - USA and Canada from

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...

Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

; also

Quebec Quebec ( ; )According to the Government of Canada, Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is ...

* '' Agoseris chilensis'' -

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the eas ...

* '' Agoseris coronopifolia'' - Patagonian agoseris -

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, t ...

* '' Agoseris glauca'' - prairie agoseris - western USA +

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tota ...

from AK to Ont + NM * '' Agoseris grandiflora'' - grassland agoseris - CA OR WA ID NV MT UT BC * ''

Agoseris heterophylla ''Agoseris heterophylla'' is a liguliferous species in the family Asteraceae known by the common name annual agoseris or mountain dandelion. It is widespread in mostly drier regions of western North America from British Columbia to Baja Californi ...

'' - annual agoseris - western USA +

+ northwestern

Mexico Mexico ( Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guate ...

* ''

Agoseris hirsuta ''Agoseris hirsuta'' is a North American species of flowering plants in the family Asteraceae known by the common name Coast Range agoseris or woolly goat chicory. It grows only in the Coast Ranges along the Pacific coast of California, from Hum ...

'' - Coast Range agoseris - CA * ''

Agoseris laevigata ''Agoseris'' is a small genus of annual or perennial herbs in the family Asteraceae described as a genus in 1817. ''Agoseris'' is native to North America, South America and the Falkland Islands. In general appearance, ''Agoseris'' is reminiscen ...

'' - Chile * ''

Agoseris × montana ''Agoseris'' is a small genus of annual or perennial herbs in the family Asteraceae described as a genus in 1817. ''Agoseris'' is native to North America, South America and the Falkland Islands. In general appearance, ''Agoseris'' is reminiscen ...

'' - North Park agoseris - CO WY * '' Agoseris monticola'' - Sierra Nevada agoseris - CA OR WA ID NV BC * ''

Agoseris parviflora ''Agoseris parviflora'' is a North American species of flowering plants in the family Asteraceae known by the common name Steppe agoseris or sagebrush agoseris or false dandelion. It is found in the Western United States primarily in the Great Ba ...

'' - steppe agoseris - western USA * ''

Agoseris pterocarpa ''Agoseris'' is a small genus of annual or perennial herbs in the family Asteraceae described as a genus in 1817. ''Agoseris'' is native to North America, South America and the Falkland Islands. In general appearance, ''Agoseris'' is reminiscen ...

'' -

* ''

Agoseris retrorsa ''Agoseris retrorsa'' is a North American species of flowering plant in the family Asteraceae known by the common name spearleaf agoseris or spearleaf mountain dandelion. It is native to western North America from Washington to Utah to Baja Cali ...

'' - spearleaf agoseris - CA OR WA NV UT ; Hybrids * ''

Agoseris × agrestis ''Agoseris'' is a small genus of annual or perennial herbs in the family Asteraceae described as a genus in 1817. ''Agoseris'' is native to North America, South America and the Falkland Islands. In general appearance, ''Agoseris'' is reminis ...

'' (''A. glauca'' × ''A. parviflora'') - Front Range agoseris - UT CO * ''

Agoseris × dasycarpa ''Agoseris'' is a small genus of annual or perennial herbs in the family Asteraceae described as a genus in 1817. ''Agoseris'' is native to North America, South America and the Falkland Islands. In general appearance, ''Agoseris'' is reminis ...

'' (''A. glauca'' × ''A. monticola'') - Modoc agoseris - CA OR * ''

Agoseris × elata ''Agoseris'' is a small genus of annual or perennial herbs in the family Asteraceae described as a genus in 1817. ''Agoseris'' is native to North America, South America and the Falkland Islands. In general appearance, ''Agoseris'' is reminiscen ...

'' (''A. aurantiaca'' × ''A. grandiflora'') - Willamette agoseris - CA OR WA BC ; Species formerly included * ''Agoseris alpestris'' = ''

Nothocalais alpestris ''Nothocalais alpestris'' is a species of flowering plant in the family Asteraceae known by the common name alpine lake false dandelion. It is native to the Cascade Range, Sierra Nevada and other mountains from northern Washington to central Cali ...

'' * ''Agoseris barbellulata'' = ''

'' * ''Agoseris cuspidata'' = ''

Nothocalais cuspidata ''Nothocalais cuspidata'', the prairie false dandelion, is a herbaceous perennial with yellow flowers and long slender leaves, native to the Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad ...

Distribution

Agoseris is one of several groups of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

s that have a

New World The term ''New World'' is often used to mean the majority of Earth's Western Hemisphere, specifically the Americas."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: Oxford University Press, p. ...

amphitropical Antitropical (alternatives include biantitropical or amphitropical) distribution is a type of disjunct distribution where a species or clade exists at comparable latitudes across the equator but not in the tropics. For example, a species may be fou ...

distribution (occurring in temperate regions of both North and South America). Most species are found in cordilleran regions of western North America, being distributed from southern

Yukon Territory Yukon (; ; formerly called Yukon Territory and also referred to as the Yukon) is the smallest and westernmost of Canada's three territories. It also is the second-least populated province or territory in Canada, with a population of 43,964 as ...

and the panhandle of

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S ...

southward to northern

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a U.S. state, state in the Southwestern United States. It is the list of U.S. states and territories by area, 6th largest and the list of U.S. states and territories by population, 14 ...

, and

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...

, and from the

coast eastward to the northern Great Plains. Disjunct, isolated populations occur on the Gaspe Peninsula and Otish Mountains (Monts Otish) of

, near the

Hudson Bay Hudson Bay ( crj, text=ᐐᓂᐯᒄ, translit=Wînipekw; crl, text=ᐐᓂᐹᒄ, translit=Wînipâkw; iu, text=ᑲᖏᖅᓱᐊᓗᒃ ᐃᓗᐊ, translit=Kangiqsualuk ilua or iu, text=ᑕᓯᐅᔭᕐᔪᐊᖅ, translit=Tasiujarjuaq; french: b ...

Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central C ...

, and on hills near the

Arctic Ocean The Arctic Ocean is the smallest and shallowest of the world's five major oceans. It spans an area of approximately and is known as the coldest of all the oceans. The International Hydrographic Organization (IHO) recognizes it as an ocean, ...

in the

Northwest Territories The Northwest Territories (abbreviated ''NT'' or ''NWT''; french: Territoires du Nord-Ouest, formerly ''North-Western Territory'' and ''North-West Territories'' and namely shortened as ''Northwest Territory'') is a federal territory of Canada. ...

. One species is native to the southern

Andes Mountains The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S l ...

and

, southward to

Patagonia Patagonia () refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and ...

Tierra del Fuego Tierra del Fuego (, ; Spanish for "Land of the Fire", rarely also Fireland in English) is an archipelago off the southernmost tip of the South American mainland, across the Strait of Magellan. The archipelago consists of the main island, Isla ...

, and the

References

External links

USDA Plants Profile for ''Agoseris''
* {http://www.calflora.org/cgi-bin/specieslist.cgi?where-genus=Agoseris Calflora Database: ''Agoseris'' species index-links]
Jepson Manual Treatment (TJM)

— ''identification and uses of edible parts''. Agoseris, Flora of North America Asteraceae genera Taxa named by Constantine Samuel Rafinesque {{Cichorieae-stub