Ogden's Pondweed (Potamogeton ogdenii) COSEWIC assessment and status report: chapter 16

Appendix 1

Ontario locations of Potamogeton ogdenii
Element Occurrence number Location Date Last Seen Notes from 2005 Survey
1 Murphys Point Provincial Park 1974 Species not found. Beaver ponds drained leaving very little aquatic habitat. Could occur nearby in Big Rideau Lake.
2 Davis Lock 1987 Species not found. Extensive aquatic habitat with abundant Potamogeton spp. Could still be extant.
3 Hastings County 1873 Not specifically searched for due to vague location.

Additional sites were searched unsuccessfully in Hastings and Lennox & Addington Counties (see additional sites where not found as listed in the section on population sizes and trends).

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