- Herbarium ID: NHIC
- Accession Number: MJO61506
- Scientific Name: Cirsium flodmanii (Rydb.) Arthur
- Family Name: Asteraceae
- Location: MNR tree nursery SW of Thunder Bay, approx. 4 km E of Rosslyn Village, Ont.
- District Located: not specified
- Longitude/Latitude: 89.38917W / 48.36889 N
- Habitat: Weedy disturbed ground adjacent to gate and parking area, edge of pine plantation.
- Notes: Patch of 100+ rosettes (none flowering).
- Collector: M.J. Oldham, W.D. Bakowsky & G. Racey
- Collection Number: 23843
- Collection Date: 2-Jul-2000
- Determined by: M.J. Oldham
- Annotation by: [no data]