Swamp rose-mallow (Hibiscus moscheutos) COSEWIC assessment and status report: chapter 15

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Collections Examined and Fieldwork Conducted

All relevant herbaria were searched for specimens of Hibiscus moscheutos by Cathy Keddy for the Atlas of the Rare Vascular Plants of Ontario. No herbaria collections were examined for this status update, as label data has been transcribed into tabular form as part of the Atlas of Rare Vascular Plants of Ontario Atlas Project, as well as various other efforts. This, and other information, was accessed using the individual element occurrence reports for Hibiscus moscheutos, provided by the NHIC.

Field studies were carried out for the original report by B.A. Ford from August 5 to 31, 1985. During this time information on associate species, population size, and general vigour of the plants was gathered. In addition, soil samples were obtained from the upper 10 cm at 10 stations. Fieldwork for this update was conducted by G.M. Allen on August 11th to 16^th 2002. Field time was also provided toward the verification of populations for this update at the Rondeau and Point Pelee sites by M.J. Oldham, and at Sandbanks by Yvette Bree.

Specimens collected during the course of the original study are deposited at the herbarium of Erindale College, University of Toronto (TRTE).