- Herbarium ID: SSMF
- Accession Number: 003002
- Scientific Name: Eupatorium perfoliatum L.
- Family Name: Asteraceae
- Location: At junction of Anjigami Lake and Perry's Creek, 3 mi. SE of Hwy 101, 22 mi. NE of Hwy 17, T.28, R.23, Ontario.
- District Located: Algoma
- Longitude/Latitude: 84.9W / 47.9 N
- Habitat: In wet loamy soil on bank of stream, open site.
- Notes: Assoc.: Rubus, Prunus, flower white, 1 m high.
- Collector: C.E. Garton et al.
- Collection Number: 14725
- Collection Date: 08/09/1971
- Determined by: C.E. Garton
- Annotation by: [no data]