Cirsium drummondii
Short-Stemmed Thistle
Flower Head Longitudinal Section
Duck Mountain Provincial Park
01-July-07
![]() | Drummondii: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this species.
| ||||||||||||||||||||
![]() | Cirsium: Answers to key questions in Budd's Flora (BF) and Flora of Alberta (FOA) leading to this genus.
|