''Gamochaeta'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of flowering plants in the family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

. 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 or (formerly) chafeweeds. They are widespread and common in temperate regions, although some are found on tropical mountains or in the subtropical re ...

''. 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 (geometry), direction or geography. Etymology T ...

and

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

, with one species

endemic Endemism is the state of a species being found only 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 foun ...

Tristan da Cunha Tristan da Cunha (), colloquially Tristan, is a remote group of volcano, volcanic islands in the South Atlantic Ocean. It is one of three constituent parts of the British Overseas Territories, British Overseas Territory of Saint Helena, Ascensi ...

in the

South Atlantic The Atlantic Ocean is the second largest of the world's five oceanic divisions, with an area of about . It covers approximately 17% of Earth's surface and about 24% of its water surface area. During the Age of Discovery, it was known for ...

.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 weed A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural or other governing authority as a plant that is harmful to agricultural or horticultural crops, natural habitats or ecosystems, or humans or lives ...

s.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, with the direction of their movement always opposite to that of the secretion of ...

-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