- Herbarium ID: NHIC
- Accession Number: MJO72344
- Scientific Name: Solidago gigantea Aiton
- Family Name: Asteraceae
- Location: Abandoned Canadian National Railway (CNR), approx. 16 km SE of Hwy 599, near Mattawa Lk., Ont.
- District Located: Kenora
- Longitude/Latitude: 91.01528W / 49.66083 N
- Habitat: Railway embankment.
- Notes: Flowering; single patch in railway ballast; Solidago shinnersii.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 27781
- Collection Date: 17-Aug-2002
- Determined by: M.J. Oldham
- Annotation by: J.C. Semple July 24.