- Herbarium ID: SSMF
- Accession Number: 001560
- Scientific Name: Caltha palustris L.
- Family Name: Ranunculaceae
- Location: Michipicoten Harbour Rd., 1 mi. E of Michipicoten Harbour, T.30, R.23, Ontario.
- District Located: Algoma
- Longitude/Latitude: 84.96666W / 47.96666 N
- Habitat: Wet roadside ditch.
- Notes: Assoc.: Salix spp., Carex spp., Cornus spp.; growing in large clumps; flower bright yellow.
- Collector: C.E. Garton et al.
- Collection Number: 14035
- Collection Date: 06/09/191
- Determined by: C.E. Garton
- Annotation by: [no data]