The Nature Conservancy of Canada
The Trails of Georgian Bay - Ganaraska Hiking Trail
Butterflies - North American Butterfly Association
Osprey Media. - Orillia Packet & Times
Mycological Society of Toronto
Inventory of fungi in Manitoulin and in Matchedash
Flora of Newfoundland and Labrador. Cyperaceae: Sedge Family [Genus Carex].
OFO - Ontario Field Ornithologists