1. Natural Resources Canada, Canadian Forest Service – Atlantic Forestry Centre, P.O. Box 4000, Fredericton, New Brunswick, Canada E3B 5P7
2. Agriculture and Agri-Food Canada, Atlantic Food Horticulture Research Centre, 32 Main Street, Kentville, Nova Scotia, Canada B4N 1J5 ()
3. Atlantic Canada Conservation Data Centre, P.O. Box 6416, Sackville, New Brunswick, Canada E4L 1G6
4. Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543