| ammannia robusta | | canada: ontario, essex county, hillman, hillman marsh | | 1331050315 |
| ammannia robusta | | canada: ontario, essex county, pelee is. lighthouse point. west shore of lake henry, utm 633312 map 40g/15 | | 1331049108 |
| ammannia robusta | | canada: ontario, essex co, gosfield south tp, jack miner's wildlife preserve, utm 556582 (map 40 j/2) | | 1331048736 |
| ammannia robusta | | canada: ontario, essex county, hillman, hillman marsh | | 1328837241 |