| tremex columba | | canada: ontario, thousand islands national park | | 1576836455 |
| tremex columba | | canada: ontario, kawartha lakes | | 1365632789 |
| tremex columba | | Canada: Ontario, Scheck Nature Reserve | | 1067976007 |
| tremex columba | | Canada: Ontario, Thousand Islands NP, Jones Creek by Mallorytown, County Rd. 5 | | 893656770 |
| tremex columba | | Canada: Ontario, Cambridge, rare Charitable Research Reserve, Alvars | | 930617475 |
| tremex columba | | Canada: Ontario, Cambridge, rare Charitable Research Reserve, Cedar Stand | | 930619121 |
| tremex columba | | Canada: Ontario, Puslinch, Property of Bob Hanner, Hardwood forest | | 1060624992 |