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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: Astereae
Subtribus: Solidagininae
Genus: Acamptopappus
Species: A. shockleyi – A. sphaerocephalus
Source(s) of checklist:

Govaerts, R. et al. 2020. Acamptopappus in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 Nov 23. Reference page.


Acamptopappus (A. Gray) A. Gray, 1873

Gray, A., Proceedings of the American Academy of Arts and Sciences 8: 634. 1873.
USDA: Germplasm Resources Information Network (GRIN)[1]


Hassler, M. 2018. Acamptopappus. 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 online. Accessed: 2018 Mar. 18. Reference page.
International Plant Names Index. 2018. Acamptopappus. Published online. Accessed: Mar. 18 2018.
The Plant List 2013. Acamptopappus in The Plant List Version 1.1. Published online. Accessed: 2018 Mar. 18 {{{3}}}. 2018. Acamptopappus. Missouri Botanical Garden. Published online. Accessed: {{{3}}} Mar. 18 2018.

Acamptopappus is a genus of flowering plants in the family Asteraceae described as a genus in 1873.[4][3][5]

Acamptopappus is native to the deserts in southwestern North America.[6] The name is derived from a- (not), campto- (bent), and pappus (down). They are also commonly known as goldenheads.[7]

Acamptopappus plants are eaten by the larvae of some Lepidoptera species including Coleophora acamtopappi which feeds on A. sphaerocephalus.


A. shockleyi A.Gray -- Shockley's Goldenhead - California, Nevada
A. sphaerocephalus (Harv. & A.Gray) A.Gray -- Rayless Goldenhead - California, Nevada, Utah, Arizona


Flora of North America, Vol. 20 Page 184 Goldenhead Acamptopappus (A. Gray) A. Gray
Gray 1873, p. 634.
Tropicos, Acamptopappus (A. Gray) A. Gray
Gray, Asa. 1973. Proceedings of the American Academy of Arts and Sciences 8: 634 description in Latin, commentary in English
Lane, Meredith A. (1988). "Generic Relationships and Taxonomy of Acamptopappus (Compositae: Astereae)". Madroño. 35 (3): 247–265. JSTOR 41424703.
Biota of North America Program 2013 county distribution maps
Shreve, F. & I. L. Wiggins. 1964. Vegetation and Flora of the Sonoran Desert 2 vols. Stanford University Press, Stanford

The Plant List search for Acamptopappus


Gray, Asa (1873). Proceedings of the American Academy of Arts and Sciences. Vol. 8. Boston: Metcalf and Co.

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