Seaside bone (Hypogymnia heterophylla) COSEWIC assessment and status report: chapter 1

 

Assessment Summary – April 2008

Common name Seasidebone
Scientific name Hypogymnia heterophylla
Status Threatened
Reason for designation This lichen is endemic to the Pacific Coast of North America, and southwest Vancouver Island represents the northern limit of its range. The species’ survival depends on early to intermediate seral shore pine forests along the sea coast. The populations appear to be stable, but have a restricted occurrence and the species is known from only four locations. Severe winter storms, which are anticipated to increase, are the main threat to the species.
Occurrence British Columbia
Status history Designated Special Concern in April 1996. Status re–examined and designated Threatened in April 2008. Last assessment based on an update status report.

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