''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 w ...

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 sout ...

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 Dubouze ...

. 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 ( peduncles), 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 achenes, 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 ''Agoseris aurantiaca'' is a species of plant in the family Asteraceae, commonly called orange agoseris or mountain dandelion. It is widespread in western North America. Description ''Agoseris aurantiaca'' is a perennial herb or subshrub growi ...

'' - 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 ...

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 contine ...

; also

Quebec Quebec ( ; )According to the 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 one of the thirtee ...

* ''

Agoseris chilensis ''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 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 east a ...

* ''

Agoseris coronopifolia ''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 ...

'' - 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, th ...

* ''

Agoseris glauca ''Agoseris glauca'' is a species of flowering plant in the family Asteraceae known by the common names false dandelion, pale agoseris, prairie agoseris, and short-beaked agoseris. It is native to western North America. Description ''Agoseris gla ...

'' - 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 tot ...

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

* '' Agoseris hirsuta'' - Coast Range agoseris - CA * '' Agoseris laevigata'' - Chile * '' Agoseris × montana'' - North Park agoseris - CO WY * ''

Agoseris monticola ''Agoseris monticola'' is a North American species of flowering plants in the family Asteraceae known by the common name Sierra Nevada agoseris or Sierra Nevada mountain dandelion. It grows in the mountains of the western United States, primarily ...

'' - Sierra Nevada agoseris - CA OR WA ID NV BC * '' Agoseris parviflora'' - steppe agoseris - western USA * '' Agoseris pterocarpa'' -

* '' Agoseris retrorsa'' - spearleaf agoseris - CA OR WA NV UT ; Hybrids * '' Agoseris × agrestis'' (''A. glauca'' × ''A. parviflora'') - Front Range agoseris - UT CO * '' Agoseris × dasycarpa'' (''A. glauca'' × ''A. monticola'') - Modoc agoseris - CA OR * '' Agoseris × elata'' (''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. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

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 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 state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

, and

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ke ...

, and from the

coast eastward to the northern Great Plains. Disjunct, isolated populations occur on the Gaspe Peninsula and

Otish Mountains The Monts Otish (Otish Mountains) are a range of tall hills in the geographic centre of Quebec, Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean ...

(Monts Otish) of

, near the Hudson Bay in

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, a ...

in the Northwest Territories of

. One species is native to the southern Andes Mountains of

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 g ...

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