| symphyotrichum oolentangiense | | Canada: Ontario, Essex Co., Windsor Prairie (E of Windsor Raceway and Ojibway Park) | | 1316022622 |
| symphyotrichum oolentangiense | | Canada: Ontario, Simcoe Co., DeGrassi Pt.., Innisfill Tp.Conc. II lot 24. | | 1316025860 |
| symphyotrichum oolentangiense | | Canada: Ontario, Essex Co., Rondeau Provincial Park. | | 1316025948 |
| symphyotrichum oolentangiense | | canada: ontario, essex co., windsor prairie (e of windsor raceway and ojibway park) | | 1331393876 |
| symphyotrichum oolentangiense | | canada: ontario, norfolk co., long point, south walshigham tp. | | 1331394053 |
| symphyotrichum oolentangiense | | canada: ontario, simcoe co., degrassi pt.., innisfill tp.conc. ii lot 24. | | 1331395186 |
| symphyotrichum oolentangiense | | canada: ontario, essex co., rondeau provincial park. | | 1331395216 |
| symphyotrichum oolentangiense | | canada: ontario, norfolk co., turkey point sand plains - about 1.5 mi w of normandale in charlotteville tp. | | 1331395418 |
| symphyotrichum oolentangiense | | Canada: Ontario, Norfolk Co., Turkey Point Sand Plains - about 1.5 mi W of Normandale in Charlotteville Tp. | | 1316026478 |
| symphyotrichum oolentangiense | | Canada: Ontario, Norfolk Co., Long Point, South Walshigham Tp. | | 1316023066 |