Common hoptree (Ptelea trifoliata) COSEWIC assessment and status report: chapter 16

Collections Examined

With good data on collection and site records from the up-dated element occurrence reports of the Natural Heritage Information Centre (NHIC, 2000) and the COSEWIC status report (Ambrose & Aboud, 1982), researching time was concentrated on going to representative sites. Population densities, reproduction and observation of local threats were compared with those recorded earlier during 2000-2001. Middle Island was surveyed in the summer of 2002 for a Parks Canada project and the data are added here. About 71 person-hours were spent in the field for updating the status of this species.

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