| hamamelistes spinosus | | Canada: Ontario, Peterborough Co., Clarina, Upper Stoney Lake, south shore Puffers Bay | | 835408270 |
| hamamelistes spinosus | | Canada: Ontario, Ottawa, Mer Bleue Conservation Ar | | 835454208 |
| hamamelistes spinosus | | Canada: Ontario, Ottawa, Central Experimental Farm, near KW Neatby Bldg | | 835473095 |
| hamamelistes spinosus | | Canada: Ontario, Rouge National Urban Park, Trap 1 | | 999817044 |
| hamamelistes spinosus | | Canada: Ontario, Frontenac Co., Silver Lake, picnic area, Hwy 7, w of prov park entrance | | 835432171 |
| hamamelistes spinosus | | Canada: Ontario, Ottawa, Nepean, Stoney Swamp, Jack Pine Trail | | 835445548 |
| hamamelistes spinosus | | Canada: Ontario, Algoma District, Leeburn, Hwy 638 | | 835451056 |