The following are zipped archives of my UofM site Manitoba checklists. Google Sites doesn't allow me to set up the structure in the same way, until I find an alternative host this is just for storage/legacy. Right-click on the link and download.
Since 1998 I have been developing checklists of plant species I have seen in various areas around southern Manitoba.
The city of Winnipeg Naturalist Service Branch has quite a variety of information on plants and animals found in natural areas around Winnipeg. There is a Natural Areas in Parks Map with clickable links that list plants found in those areas. see: https://legacy.winnipeg.ca/publicworks/maps/naturalareas.asp