found: Work cat.: Flower known as Labrador tea, probably at Mount Rainier, n.d., via the Lawrence Lindsley digital image collection, Feb. 9, 2006.
found: ITIS North America, via WWW, Feb. 9, 2006(Ledum. Rank: genus. Vernacular name: Labrador tea. Family: Ericaceae)
found: GRIN taxonomy, via WWW, Feb. 9, 2006(Genus: Ledum. Probable synonym of: Rhododendron. Family: Ericaceae)
found: Names in current use for extant plant genera, via WWW, Feb. 9, 2006(Ledum. Dicotyledones: Ericaceae)
found: Plants database, Feb. 9, 2006(Ledum L., Labrador tea. Family: Ericaceae. Three species: Ledum glandulosum Nutt. -- western Labrador tea; Ledum groenlandicum Oeder -- bog Labrador tea; Ledum palustre L. -- marsh Labrador tea)
found: Index nominum genericorum, via WWW, Feb. 9, 2006(Ledum. Phan.-Ericaceae. Synonym: Dulia)