Rhododendron tomentosum Harmaja
Synonym(s):
Ledum palustre L.
Ledum palustre var. decumbens Aiton
Data source(s):
  • Harmaja, H. 1991. Taxonomic notes on Rhododendron Subsection Ledum (Ledum, Ericaceae) with a key to its species. in Annali Botanici Fennici 28(2): 171-173, p.172