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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: Engelmanniinae
Genus: Wyethia
Species: W. amplexicaulis - W. angustifolia – W. arizonica – W. glabra – W. helenioides – W. helianthoides – W. longicaulis – W. magna – W. mollis

Nothospecies: W. x cusickii
Species: W. amplexicaulis - W. angustifolia - W. longicaulis - W. mollis -

Name

Wyethia Nutt., J. Acad. Nat. Sci. Philadelphia 7: 39. t. 5. (1834)

Type species: Wyethia helianthoides Nutt., J. Acad. Nat. Sci. Philadelphia 7: 40. 1834

Synonyms

Alarconia DC.
Espeletia Nutt.
Melarhiza Kellogg

References

Nuttall, T. 1834. Journal of the Academy of Natural Sciences of Philadelphia. Philadelphia, PA 7: 39. t. 5.
Hassler, M. 2018. Wyethia. 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. 06. Reference page.
International Plant Names Index. 2018. Wyethia. Published online. Accessed: Feb. 06 2018.
Tropicos.org 2018. Wyethia. Missouri Botanical Garden. Published on the internet. Accessed: 2018 Feb. 06.
USDA, ARS, Germplasm Resources Information Network. Nutt. in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: Wyethia.
Wyethia Nutt. – Taxon details on Integrated Taxonomic Information System (ITIS).
Wyethia – Taxon details on National Center for Biotechnology Information (NCBI).

Vernacular names
English: mule's ears

Wyethia is a genus of North American flowering plants in the sunflower family.[2][3][4]

These plants are commonly referred to as mule's ears. They are short, low to the ground golden-rayed wildflowers that resemble miniature sunflowers. The genus is named for an early explorer of the western United States, Nathaniel Jarvis Wyeth, 1802–1856.[5]

Species[1][6]

Wyethia amplexicaulis - northern mule's ears, black sunflower - WA OR ID MT NV WY UT CO
Wyethia angustifolia - California compassplant, narrowleaf wyethia - WA OR CA
Wyethia arizonica - Arizona mule's ears - AZ NM UT CO
Wyethia cusickii - OR ID NV
Wyethia glabra - Coast Range mule's ears - CA
Wyethia helenioides - gray mule's ears, whitehead mule's ears - CA
Wyethia helianthoides - sunflower mule's ears - OR ID NV WY MT
Wyethia longicaulis - Humboldt mule's ears - CA
Wyethia mollis - woolly mule's ears - CA OR NV
Wyethia × magna - CO NM
Wyethia ovata - California, Baja California
Wyethia robusta - Oregon

formerly included[1]

see: Agnorhiza Scabrethia Vigethia
References

Flann, C (ed) 2009+ Global Compositae Checklist
Nuttall, Thomas. 1834. Journal of the Academy of Natural Sciences of Philadelphia 7(1): 39–40 description in Latin, commentary in English
Nuttall, Thomas. 1834. Journal of the Academy of Natural Sciences of Philadelphia 7(1): plate V (5) full-page line drawing of Wyethia helianthoides
Tropicos, Wyethia Nutt.
Flora of North America Vol. 21 Page 100
Biota of North America Program 2013 county distribution maps

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Biology Encyclopedia

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