Some Native Southern Remedies.

Botanical name: 
Eupatorium perfoliatum
Solidago odora
Galium aparine
Ageratina aromatica
Alternanthera polygonoides
Calycanthus floridus
Eupatorium foeniculaceum
Eupatorium rotundifolium
Galium pilosum
Gamochaeta purpurea
Gelsemium sempervirens
Gentiana villosa
Gnaphalium obtusifolium
Helenium flexuosum
Pityopsis graminifolia
Pterocaulon virgatum
Sarracenia flava
Sarracenia minor
Sericocarpus tortifolius
Strophostyles helvula

Classic texts: Journals: AJP 1885.

Helenium flexuosum Raf.
Engl.: purplehead sneezeweed, naked-flowered sneeze-weed.
Deu.: Purpur-Sonnenbraut.
Bot. syn.: Helenium floridanum Fern., Helenium godfreyi Fern., Helenium nudiflorum Nutt.