found: Work cat.: Beier, C.M. The influence of dense understory shrubs on the ecology of canopy tree recruitment in southern Appalachian forests, c2002:abstr. (Rhododendron maximum) p. 20 (rosebay rhododendron)
found: ITIS * North America, via WWW, Dec. 10, 2005(Rhododendron maximum - great laurel, rosebay rhododendron. Synonym: Rhododendron ashleyi)
found: NatureServe explorer, via WWW, Dec. 10, 2005(Rhododendron maximum, Great Laurel)
found: Horticopia on-line plant information, Dec. 10, 2005(Rhododendron maximum, Great Rhododendron)
found: Gardener's dictionary, via WWW, Dec. 10, 2005(Rhododendron maximum, great laurel, laurel, rosebay)
found: Plant Press Dict. of common names, via WWW, Dec. 10, 2005(Rhododendron maximum: Great Laurel, Rose Bay, Rosebay)