The authors acknowledge with thanks permission from L. Watson, to use the character list presented in The Families of Flowering Plants. Thanks also to C. Lee, H. Gibbins, and G. Steel, for assistance with photography, the Danish Polar Center for permission to scan illustrations from Meddelelser om Grønland, L. Robinson and M. Allan for their help with mapping and photography data processing. Polar Continental Shelf Project is thanked for logistic support and L. Maus, Environmental Technology Program, Nunavut Arctic College Iqaluit, for field assistance, including photography, and logistic support in Iqaluit. The Nunavut Research Institute is thanked for logistic support in Iqaluit and the Canadian Museum of Nature for financial support.