Cirsium scariosum Nutt.
Common names: Shasta valley thistle, Sessile thistle
This variable species is often stemless, with usually sessile flowerheads, pale pink to white
leaves spiny.
Photographed from Shasta Mountains, California, 26-7-2008
Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.