- Herbarium ID: NHIC
- Accession Number: MJO61391
- Scientific Name: Castilleja septentrionalis Lindl.
- Family Name: Orobanchaceae
- Location: Small unnamed islet, near E shore of St. Ignace Isl., off Black Bay Peninsula, Ont.
- District Located: not specified
- Longitude/Latitude: 88.005W / 48.73139 N
- Habitat: Small, rocky island, with Polygonum viviparum, Physocarpus, Euthamia graminifolia.
- Notes: Flowering; photos taken; 200+ plants; site #37.
- Collector: M.J. Oldham & R. Foster
- Collection Number: 23728
- Collection Date: 28-Jun-2000
- Determined by: M.J. Oldham
- Annotation by: [no data]