''Cyclolepis'' is a

monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

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 ...

.Tellería, M. C., et al. (2013)
Pollen morphology and its taxonomic significance in the tribe Gochnatieae (Compositae, Gochnatioideae).
''Plant Systematics and Evolution'' 299(5), 935-48. The sole species, ''Cyclolepis genistoides'', is native to

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 ...

, where it occurs in

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

Paraguay Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the Argentina–Paraguay border, south and southwest, Brazil to the Brazil–Paraguay border, east and northeast, and Boli ...

, and possibly

Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...

.''Cyclolepis''.
Preliminary Checklist of the Compositae of Bolivia. Royal Botanic Gardens, Kew. Version 2, March 2011. Its common names include ''matorro negro''. This is a dominant

halophytic A halophyte is a salt-tolerant plant that grows in soil or waters of high salinity, coming into contact with saline water through its roots or by salt spray, such as in saline semi-deserts, mangrove swamps, marshes and sloughs, and seashores. ...

shrub A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple ...

in some saline habitat types, such as coastal habitat near

Bahía Blanca Bahía Blanca (; English: ''White Bay''), colloquially referred to by its own local inhabitants as simply Bahía, is a city in the Buenos Aires Province, Buenos Aires province of Argentina, centered on the northwestern end of the eponymous Blanc ...

and the inland

salt marsh A salt marsh, saltmarsh or salting, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides. I ...

es of central Argentina.Cantero, J. J., et al. (1998)
Environmental relationships of vegetation patterns in saltmarshes of central Argentina.
''Folia Geobotanica'' 33(2), 133-45.

References

Flora of Argentina Flora of Chile Flora of Paraguay Monotypic Asteraceae genera Gochnatioideae {{Asteraceae-stub