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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: Cichorioideae
Tribus: Cichorieae
Subtribus: Microseridinae
Genus: Calycoseris
Species: C. parryi – C. wrightii

Calycoseris A.Gray, Smithsonian Contr. Knowl. 5(6): 104. (1853)

Type species: Calycoseris wrightii A.Gray, Smithsonian Contr. Knowl. 5(6): 104, t. 14. (1853)


Gray, A. 1853. Smithsonian Contributions to Knowledge 5(6): 104.
Hassler, M. 2018. Calycoseris. 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 July 1. Reference page.
International Plant Names Index. 2018. Calycoseris. Published online. Accessed: July 1 2018. 2018. Calycoseris. Missouri Botanical Garden. Published on the internet. Accessed: 2018 July 1.

Calycoseris is a small genus of two species of annual desert wildflowers in the daisy family, native to western North America in the southwestern United States and Northwestern Mexico. They are characterized by the tack-shaped gland hairs on their upper stems and bracts, the trait which gives them the common name tackstem. The two species of tackstem are the yellow tackstem, Calycoseris parryi and the white tackstem, Calycoseris wrightii.
Yellow tackstem

References and external links

The genus Calycoseris, along with the type (C. wrightii) was first described and published in Smithsonian Contributions to Knowledge. Washington, DC 5(6): 104. 1853. "Plant Name Details for Genus Calycoseris". IPNI. Retrieved January 23, 2012. "Type Name: C. wrightii A.Gray"

Jepson Manual Treatment of Calycoseris
USDA Plants Profile for Calycoseris

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