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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Heliantheae
Subtribus: Enceliinae
Genus: Geraea
Species: G. canescens – G. viscida

Geraea Torr. & A.Gray, Proc. Amer. Acad. Arts 1: 48–49. 1846[1847].

Type species: Geraea canescens Torr. & A. Gray.


Torrey, J. & Gray, A., 1846. Proceedings of the American Academy of Arts and Sciences 1: 48–49.


International Plant Names Index. 2018. Geraea. Published online. Accessed: Feb. 03 2018.
The Plant List 2013. Geraea in The Plant List Version 1.1. Published on the internet. Accessed: 2018 Feb. 03.
Tropicos.org 2018. Geraea. Missouri Botanical Garden. Published on the internet. Accessed: 2018 Feb. 03.
Hassler, M. 2018. Geraea. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2018 Feb. 03. Reference page.
USDA, ARS, Germplasm Resources Information Network. Torr. & A. Gray in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: Geraea.
Geraea Torr. & A. Gray – Taxon details on Integrated Taxonomic Information System (ITIS).
Geraea – Taxon details on National Center for Biotechnology Information (NCBI).

Vernacular names
English: desert sunflower, desertsunflower

Geraea is a genus of the sunflower family from southwestern United States and northwestern Mexico, commonly called the Desert Sunflower.[2][3]


Geraea canescens Torr. & A.Gray - California, Arizona, Nevada, Utah
Geraea viscida (A.Gray) S.F.Blake - California (San Diego + Imperial Counties), Baja California


Flann, C (ed) 2009+ Global Compositae Checklist
Torrey, John & Asa Gray. 1847. Proceedings of the American Academy of Arts and Sciences 1: 48–49 in Latin
Tropicos, Geraea Torr. & A. Gray
The Plant List, search for Geraea
Flora of North America, Vol. 21 Page 122, Desert-sunflower Geraea Torrey & A. Gray, Proc. Amer. Acad. Arts. 1: 48. 1847.
Biota of North America Program 2013 county distribution maps

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Biology Encyclopedia

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