Floating Marsh-marigold (Caltha natans): Although Hall included this species in her treatment, the FNA range map does not show it occurring near Southeast Alaska. There are no (georeferenced) records of this species in ARCTOS from within a couple of hundred miles of the region.
- PacNW Herbaria Records for Caltha natans
- Search Arctos Database for Caltha natans (Southeast only)
- Search Arctos Database for Caltha natans (entire database)
- Encyclopedia of Life search for Caltha natans
- iNaturalist Observations for Caltha natans in Southeast Alaska
- Muller: [not treated]
- Hall 2010: "Southeastern, eastern and central Alaska disjunc to Seward and Alaska peninsulas. Occasional. Ponds and mud banks."