Paul M. Catling

• Bibliography of vascular plant floristics for New Brunswick, Newfoundland (insular) and Nova Scotia
• Annual summary of Rhopalocera encountered in Ontario in 1971
• Bioconservation and systematics
• Damselflies and dragonflies (Odonata) of Ontario
• Description and analysis of the vascular flora of the Cataraqui Marsh area
• The rare vascular plants of Prince Edward Island
• The separation of Betula populifolia and Betula pendula and their status in Ontario