found: Web. 3(Mandarin also called Tangerine. Gives "Mandarine" as an alternative spelling)
found: Britannica(Tangerine (Citrus reticulata deliciosa) belonging to mandarin orange species of family Rutaceae)
found: Americana(Tangerine (Syn.: Mandarin orange) 3 types orange-Seville, Mandarin orange with types, King tangerine)
found: McGraw-Hill(Mandarin (Citrus reticulata) Tangerine (deep orange, scarlet rinds varieties - mandarins more properly used to include all members))
found: Usher dict. Plants(Citrus reticulata (syn: Citrus nobilis; Mandarin orange (c. reticulata deliciosa is the Tangerine))
found: The Citrus industry, 1943(Citrus reticulata, syn. (Citrus nebilis) Mandarin and tangerine used interchangeably but Tangerine market name for fruit of red skinned variety)
found: Macquarie dict.(Tangerine is one variety of mandarin)
found: Roecklein. Profile of econ. plants:p. 243 (tangerine, mandarin orange, C. reticulata)
found: Ray. Citrus:p. 69 (mandarins; some called tangerines, slip-skin oranges, kid-glove fruit)
found: SPN(C. reticulata; syn: C. deliciosa, C. nobilis deliciosa, mandarin orange)
found: Morton. Fruits of warm climates:p. 142 (mandarin orange; mandarin is group name for class of oranges with thin, loose peel, kid-glove oranges; C. reticulata Blanco; tangerine alternate name to whole group)