found: Work cat.: International Workshop on Subalpine Stone Pines and Their Environment : The Status of Our Knowledge (1992 : Saint Moritz, Switzerland). Proceedings ... 1994:forword ("Stone pines are defined as those species of Pinus that have five-needled fascicles, have wingless seeds, and that remain closed at maturity." Five subalpine stone pines in the world: Swiss stone pine, Pinus cembra; Siberian stone pine, Pinus sibirica; Japanese stone pine, Pinus pumila; Korean stone pine, Pinus koraiensis; Whitebark pine, Pinus albicaulis)
found: Mabberley plant-book:p. 558 (stone pine, Pinus pinea)
found: Web. 3(stone pine: Swiss pine, Pinus pinea, nut pine)
found: Critchfield, W.B. Geographic distribution of the pines of the world, 1966:p. 5 (Pinus pumila, Japanese stone pine, Pinus koraiensis, Korean; Pinus sibirica, Siberian stone pine; Pinus cembra, Swiss stone pine; Pinus albicaulis, Whitebark pine)
found: Gelderen, D.M. Conifers, c1986:p. 20 (section Cembra of Pinus)
