Classification in the field was aided by the use of Peterson Field Guides for Wildflowers[i], Kershaw=s field guide for Trees of Ontario[ii], and Hosie=s guide to Native Trees of Canada[iii] Forb, shrubs and tree identifications were confirmed using keys and guidelines for the Plants of Canada by the National Museum of Natural Sciences[iv]; Shrubs of Ontario by the ROM [v];Trees of Canada by Farrar[vi], and the USDA Plant Database[vii].
[i]. Peterson, R.T. and McKenny, M. (1968) AWildflowers Northeastern – Northcentral North America@. Peterson Field Guides. Houghton Mifflin Co. Boston.
[ii]. Kershow, L. (2001). ATrees of Ontario@. Lone Pine Publishing. Edmonton. Alberta.
[iii]. Hosie, R.C. (1990). ANative Trees of Canada@. 8th ed. Fitzhenry & Whiteside Ltd. Markham, Ontario.
[iv]. Scoggan, J. (1978). The Flora of Canada. National Museum of Natural Sciences Publications in Botany No.7(1-4). National Museums of Canada. Ottawa, Ontario.
[v]. Soper, J.H. and Heimburger, M.L. (1994). AShrubs of Ontario@. ROM, Toronto, Onatrio.
[vi]. Farrar, J.L. (1995). ATrees of Canada@. Fitzhenry & Whiteside, co-published by the Canadian Forest Service. Markham, Ontario.
[vii]. USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 12 August 2009). National Plant Data Center, Baton Rouge, LA 70874‑4490 USA.