- Herbarium ID: TRT
- Accession Number: 139352
- Scientific Name: Polystichum braunii (Spenn.) Fée
- Family Name: Dryopteridaceae
- Location: In centre of the island, about 1 mi. W of Picoten Lake, Michipicoten Island, Lake Superior, Ontario.
- District Located: not specified
- Longitude/Latitude: 85.73333W / 47.73333 N
- Habitat: In sugar maple forest below high N-facing cliff.
- Notes: !H.L. Dickson, 1979/03/12, mapped for the rare and endangered plants project.
- Collector: J.H. Soper, A.B. Stephenson, J.T. Brewer
- Collection Number: 10684
- Collection Date: 06/24/1964
- Determined by: not specified
- Annotation by: [no data]