Dwarf hackberry (Celtis tenuifolia) COSEWIC assessment and status report: chapter 17

Collections Examined

Collections made by the author and deposited at the University of Guelph Arboretum were reviewed. Other collections are summarized by Klinkenberg (1984). New sites at Stirling Slope and Lonsdale were revealed by the NHIC records. A total of 61 person hours were spent in the field revisiting the 6 known sites and nearby areas of similar habitat. The Hastings County sites were surveyed with a team of 3 individuals plus a local naturalist who knew the Stirling site. In general, most of the time was spent at sites where the population records were more precise. It should be noted that due to the size of the Point Pelee National Park habitat, the entire area was not surveyed and only about one-third to one-half of the area of Pinery Provincial Park could be surveyed in the course of one day of fieldwork.

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