- Herbarium ID: SSMF
- Accession Number: 010787
- Scientific Name: Cirsium palustre (L.) Scop.
- Family Name: Asteraceae
- Location: UTM Grid 1669520, 2 km W of Tilley Lake, Wishart Twp., Ontario.
- District Located: Algoma
- Longitude/Latitude: 84.01666W / 47.01666 N
- Habitat: Roadside, 10 plants only with C. muticum, 6 ft. tall, heads clustered, peducles short, colour of rays same as those of C. arvense.
- Notes: Top 1/3 of plant (flowering heads) in SSMF 010785 and 010786.
- Collector: D. Ropke
- Collection Number: 968
- Collection Date: 07/31/1984
- Determined by: not specified
- Annotation by: [no data]