''Gamochaeta'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of flowering plants 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 ...

. There has not always been agreement among botanists regarding its status as a recognized genus, but it has become more accepted in recent years.Nesom, G. L. 1990. The taxonomic status of ''Gamochaeta'' (Asteraceae: Inuleae) and the species of the United States. ''Phytologia'' 68: 186–198.''Gamochaeta''.
Flora of North America. It currently includes many plants that previously belonged in genus ''

Gnaphalium ''Gnaphalium'' is a genus of flowering plants in the family Asteraceae, commonly called cudweeds. They are widespread and common in temperate regions, although some are found on tropical mountains or in the subtropical regions of the world. Cudw ...

''. Like many species of ''Gnaphalium'', many ''Gamochaeta'' are called cudweeds or everlastings. ''Gamochaeta'' are native to

North North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north ...

and

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 ...

, with one species

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

Tristan da Cunha Tristan da Cunha (), colloquially Tristan, is a remote group of volcanic islands in the South Atlantic Ocean. It is the most remote inhabited archipelago in the world, lying approximately from Cape Town in South Africa, from Saint Helena a ...

in the

South Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ...

.Evenhuis, N. L. and L. G. Eldredge, Eds. (2012)
Records of the Hawaii Biological Survey for 2011. Part II: Plants.
''Bishop Museum Occasional Papers'' No. 113. Some species are found in other regions as

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived ther ...

outside of their native ranges, and sometimes as invasive noxious weeds.Flora of China Vol. 20–21 Page 776 合冠鼠麴草属 he guan shu qu cao shu ''Gamochaeta''Weddell, Chlor. Andina. 1: 151. 1856.
/ref> Plants of this genus have "relatively small heads in spiciform (spike-like) arrays, concave post-fruiting receptacles, truncate collecting appendages of style branches in bisexual florets, relatively small cypselae (fruits) with minute,

mucilage Mucilage is a thick, gluey substance produced by nearly all plants and some microorganisms. These microorganisms include protists which use it for their locomotion. The direction of their movement is always opposite to that of the secretion of m ...

-producing papilliform hairs on the faces, and pappus bristles basally connate (joined) in smooth rings and released as single units." ; Species''Gamochaeta''.
The Plant List.''Gamochaeta''.
Germplasm Resources Information Network.''Gamochaeta''.
Integrated Taxonomic Information System (ITIS).Biota of North America Program 2013 county distribution maps
/ref>

References

{{Taxonbar, from=Q5875100 Asteraceae genera