- Cassandra RobillardOntario Natural Heritage Information CentreNatural Heritage Botanist(705) 313-5406
- Samantha RobinsonDelaware Species Conservation and Research ProgramProgram Manager for Avian Conservation(302) 735-8667
- Joseph RogersonDelaware Species Conservation and Research ProgramProgram Manager for Species Conservation and Research(302) 735-3600
- Hannah RoosMissouri Natural Heritage ProgramEnvironmental Review Coordinator(573) 522-4115 ext. 3182
- Colleen Rothe-GroleauNebraska Natural Heritage ProgramNebraska Natural Heritage Program Data Management Technician(402) 471-5500