| crataegus perjucunda | | Canada: Ontario, Middlesex Co., Walker's Ponds, London | | 802085596 |
| crataegus perjucunda | | Canada: Ontario, Middlesex Co., Walker's Ponds, London | | 802085486 |
| crataegus perjucunda | | Canada: Ontario, Middlesex Co., Walker's Ponds, London | | 802085466 |
| crataegus perjucunda | | Canada: Ontario, Middlesex Co., Walker's Ponds, London | | 802085440 |