| potamogeton natans | | Canada: Ontario, Regional Municipality of York, King Twp., Jokers Hill East, Edge of eastern pond W of Racing Barn | | 320338612 |
| potamogeton natans | | Canada: Ontario, Regional Municipality of York, King Twp., Jokers Hill East., Edge of eastern pond W of Racing Barn | | 315140741 |
| potamogeton natans | | Canada: Ontario, Regional Municipality of York, King Twp., Joker's Hill East., edge of eastern pond W of Racing Barn | | 313664382 |
| potamogeton natans | | Canada: Ontario, Regional Municipality of York, King Twp., Jokers Hill East, Edge of eastern pond W of Racing barn | | 320339183 |