Canada's Plant Hardiness Site

Asteraceae daisy family
Helianthella uniflora subsp. douglasii (Torr. & A.Gray) W.A.Weber
En: Douglas' helianthella;
Fr: helianthelle de Douglas

• [=Helianthella douglasii Torr. & A.Gray – basionym]
• [=Helianthella uniflora (Nutt.) Torr. & A.Gray var. douglasii (Torr. & A.Gray) W.A.Weber]