| ceromya americana | | Canada: Ontario, Leeds and Grenville, Elizabethtown-Kitley, 4452 Rowsome Rd., Elizabethtown | | 1053136363 |
| ceromya americana | | Canada: Ontario, Rouge National Urban Park, West of Glen Rouge campground, Marsh scrub along riverside | | 1040140247 |
| ceromya americana | | Canada: Ontario, Point Pelee National Park, Cactus Field, Cedar / Savannah | | 594605677 |