- Herbarium ID: SSMF
- Accession Number: 009654
- Scientific Name: Eupatorium perfoliatum L.
- Family Name: Asteraceae
- Location: NE corner of Whitefish Lake, at public boat launch site, just off Hwy 588, Lot 6, Strange Twp., 12 km SW of Nolalu, Ontario.
- District Located: not specified
- Longitude/Latitude: 89.23333W / 48.23333 N
- Habitat: Lakeshore in peaty turf just above strand line with Solidago etc.
- Notes: [no data]
- Collector: C.E. Garton
- Collection Number: 19202
- Collection Date: 09/23/1979
- Determined by: C.E. Garton
- Annotation by: [no data]