Spatial inference of ancestor locations suggests northern refugia for canopy‐forming kelps in the Pacific Northwest. - Bemmels, Jordan B.; Kroeker, Kristy J.; Palumbi, Stephen R.; Bay, Rachael A.; Gruenthal, Kristen M.; Lindstrom, Sandra C.; Osmond, Matthew M.; Owens, Gregory L. (New Phytologist, 2026)