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COSEWIC assessment and status report on the Dense Spike-primrose (Epilobium densiflorum) in Canada

Special Significance of the Species

Epilobium densiflorum is an example of a species that has undergone a substantial loss in numbers of populations as a consequence of urban expansion and loss of habitat within the critically impacted Garry Oak Ecosystem. The species may also represent a relict from the Hypsithermal Interval of warm, dry climate 4,000-6,000 years b.p. as suggested by its distribution.

Aboriginal use of this species has been reported in a major ethnobotany database.