| crataegus compacta | | Canada: Ontario, Kent Co., Zone Tp., S side of Euphemia/Zone line E of 8, th Conc. | | 802085394 |
| crataegus compacta | | Canada: Ontario, Middlesex Co., Ekfrid Tp., 3 mi SE of Glencoe around Newbigg, en Creek to S of Hwy 2 | | 802085412 |
| crataegus compacta | | Canada: Ontario, Lambton Co., Moore Tp., ca. 3 mi SSW of Brigden, to W of jog in road | | 802085460 |