- Herbarium ID: SSMF
- Accession Number: 009638
- Scientific Name: Cirsium flodmanii (Rydb.) Arthur
- Family Name: Asteraceae
- Location: CNR spur line to brick works at Rosslyn Village, Paipoonge Twp., 2 km W of Thunder Bay City, Ontario.
- District Located: not specified
- Longitude/Latitude: 89.36666W / 48.36666 N
- Habitat: Sandy soil among sparse grasses of railway right-of-way.
- Notes: [no data]
- Collector: C.E. Garton
- Collection Number: 19139
- Collection Date: 08/28/1979
- Determined by: C.E. Garton
- Annotation by: [no data]