The Medical Flora of Kansas: Dioscorea - Gymnocladus.

Botanical name: 
Eupatorium perfoliatum
Eupatorium purpureum
Grindelia squarrosa
Dioscorea villosa
Erechtites hieraciifolius
Galium aparine
Agalinis
Ageratina altissima
Ageratina aromatica
Conyza canadensis
Diospyros virginiana
Equisetum hyemale
Eryngium yuccifolium
Euonymus atropurpureus
Fraxinus americana
Gentiana alba
Gentiana catesbaei
Gentiana saponaria
Gentiana villosa
Geranium maculatum
Geum canadense
Geum virginianum
Gymnocladus dioicus
Gillenia stipulata

Classic texts: Journals: TNEMA 1882-1883.

Gentiana alba Muhl. ex Nutt.
Engl.: cream gentian, plain gentian.
Bot. syn.: Gentiana flavida Gray.