August 21, 2020 Aquilegia formosa Western Columbine Red columbine (Aquilegia formosa) is ranked C in Alameda and Contra Costa counties. Photo by Dianne Lake.Western columbine (Aquilegia formosa). Photo by Helen Hancock.Western columbine (Aquilegia formosa). Photo by Peter Abrahamsen (CC BY-SA 2.0). More InformationImproving the Way We Assess Rarity in the Unusual Plants ProjectNow Is the Time to Plant Natives in Your Garden! Where to see itRare and Unusual Plant Discoveries in the East Bay
