Ledum occurs as genus name formerly widely recognised in the family Ericaceae, including 8 coinage of shrubs native to cool temperate & subarctic regions of the Northern Hemisphere.

Recent genetic evidence has however shown that a metal money antecedently treated in that genus come right located in the genus Rhododendron, where it is currently treated when '''Rhododendron subsect. Ledum'.

Because a bit of of the coinage list utilized inside Ledum may not exist as utilized within Rhododendron (a list already getting been utilized for more mintage already therein big genus), freshly list got to become coined for the children.

;Species A metal money at one time enrolled inside Ledum, using their todays accepted list inside Rhododendron, come: Ledum decumbens = Rhododendron subarcticum Ledum glandulosum = Rhododendron neoglandulosum Ledum groenlandicum = Rhododendron groenlandicum Ledum hypoleucum = Rhododendron hypoleucum Ledum macrophyllum = Rhododendron tolmachevii Ledum palustre = Rhododendron tomentosum Ledum palustre volt-ampere. diversipilosum = Rhododendron diversipilosum Ledum subulatum = Rhododendron subulatum

;Hybrids Of these natural hybrid also occurs: Ledum columbianum = Rhododendron × columbianum (R. groenlandicum × R. neoglandulosum'')