Hymenopappus

Hymenopappus
Hymenopappus filifolius
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Bahieae
Genus:	Hymenopappus L'Hér. 1788
Synonyms [1]
LeucampyxA.Gray ex Benth. & Hook.f. RothiaLam.

Hymenopappus is a genus of flowering plants in the daisy family. ^{[2] [3]} Many species are known as woollywhites.

Hymenopappus is native to North America, ranging from Alberta and Saskatchewan in west-central Canada through the western, central, and southeastern United States to northern Mexico. ^[1] These are biennial or perennial herbs which bear daisylike flowers. ^[4]

Species

13 species are accepted. ^{[1] [5] [6] [7]}

• Hymenopappus artemisiifolius - oldplainsman - Texas Arkansas Louisiana
• Hymenopappus biennis - biennial woollywhite - New Mexico Texas
• Hymenopappus carrii B.L.Turner – 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

References

1. "Hymenopappus L'Hér". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 11 September 2025.
2. L'Héritier de Brutelle, Charles Louis. 1788. Hymenopappus.
3. Tropicos, Hymenopappus L'Hér.
4. Flora of North America, Hymenopappus L’Héritier 1788
5. Flann, C (ed) 2009+ Global Compositae Checklist
6. Biota of North America Program 2013 county distribution maps
7. Turner, B. L. 1956. A cytotaxonomic study of the genus Hymenopappus (Compositae). Rhodora 58: 163–186, 208–242, 259–269, 295–308.

External links

• USDA Plants Profile for Hymenopappus Archived 2012-02-10 at the Wayback Machine
• Jepson Manual Treatment