Bolander’s quillwort (Isoetes bolanderi) COSEWIC assessment and status report: chapter 1

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COSEWIC
Assessment Summary

Assessment Summary – April 2006

Common name:
Bolander’s quillwort

Scientific name:
Isoetes bolanderi

Status:
Threatened

Reason for designation:
A small aquatic plant currently known in Canada from only one small lake in southwestern Alberta. The population has a large number of plants but is prone to being extirpated by a single, unpredictable event that could affect the entire population in a short period of time. Another population in a nearby lake has already disappeared over the past 50 years.

Occurrence:
Alberta

Status history:
Designated Special Concern in April 1995. Status re-examined and designated Threatened in April 2006.  Last assessment based on an update status report.

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