Hymenopappus is a genus of flowering plants in the daisy family. Many species are known as woollywhites.

Hymenopappus is native to North America. These are biennial or perennial herbs which bear daisylike flowers.

Species

• Hymenopappus artemisiifolius - oldplainsman - Texas Arkansas Louisiana
• Hymenopappus biennis - biennial woollywhite - New Mexico Texas
• Hymenopappus carrizoanus - Carrizo Sands woollywhite - Texas
• Hymenopappus filifolius - fineleaf hymenopappus - Texas + northern Baja California to Alberta + Saskatchewan
• Hymenopappus flavescens - collegeflower - Arizona New Mexico Texas Oklahoma Colorado Kansas, Chihuahua
• Hymenopappus flavomarginatus - Coahuila, Nuevo León, San Luis Potosí
• Hymenopappus hintoniorum - Coahuila
• Hymenopappus mexicanus - Mexican woollywhite - Arizona New Mexico, Chihuahua, San Luis Potosí
• Hymenopappus newberryi - Newberry's woollywhite - New Mexico Colorado
• Hymenopappus radiatus - ray hymenopappus - Arizona New Mexico
• Hymenopappus scabiosaeus - Carolina woollywhite - Texas Arkansas Louisiana Oklahoma Missouri Kansas Nebraska Illinois Indiana Mississippi Alabama Georgia Florida South Carolina, Coahuila, Chihuahua
• Hymenopappus tenuifolius - Chalk Hill woollywhite - Texas New Mexico Oklahoma Colorado Kansas Nebraska South Dakota Wyoming
• Hymenopappus wrightii - southwestern United States, northwestern Mexico

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