- A taxonomic species within the family Ericaceae – the rhodora, native to eastern Canada and the northeastern United States.
- (species): Rhodora - genus (obsolete)
- (species): Ericaceae - family; Ericoideae - subfamily; Rhodoreae - tribe; Rhododendron - genus; Rhododendron subg. Hymenanthes - subgenus; Rhodendron sect. Rhodora - section