Iduna is a genus of tree warbler in the family Acrocephalidae. Keyserling and Blasius gave no explanation of the genus name Iduna.[2] It is sometimes lumped in the genus Hippolais, although in 2009 it was found to belong to the Iduna clade.[3]
^Silke Fregin; Martin Haase; Urban Olsson; Per Alström (2009). "Multi-locus phylogeny of the family Acrocephalidae (Aves: Passeriformes) – The traditional taxonomy overthrown". Molecular Phylogenetics and Evolution. 52 (3): 866–878. Bibcode:2009MolPE..52..866F. doi:10.1016/j.ympev.2009.04.006. PMID19393746.