From Natural History of Southeast Alaska
Sitka with a photo id. Given overall distribution of this species which seems to be non-coastal, further confirmation is probably warranted.
- PNW Moths page for Syngrapha borea
- Moth Photographer's Group page for Syngrapha borea Records seem to be from non-coastal areas.
- Search Arctos Database for Syngrapha borea (Southeast only)
- Search Arctos Database for Syngrapha borea (entire database)
- Encyclopedia of Life search for Syngrapha borea
- iNaturalist Observations for Syngrapha borea in Southeast Alaska
- Ferris et. al 2012: Interior and South Central