Wyethia

Wyethia is a genus of North American flowering plants in the family Asteraceae. First published by Thomas Nuttall in J. Acad. Nat. Sci. Philadelphia vol.7 on page 39 in 1834.

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, American Nathaniel Jarvis Wyeth, 1802–1856.

Species
As accepted by Kew; and Biota of North America Program;
 * 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 x 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 sagittata - Oregon

Agnorhiza. Scabrethia and Vigethia
 * formerly included;