Are unusual seed structures in Cembrae pine key to a persistent soil seed bank - Tillman-Sutela, E.; Kauppi, A.; Tomback, D.F. (Kings Park and Botanic Garden, 2007)
Keywords: FESEM; TEM; UV-fluoresesenssi; kuolleisuus; lintulevitteiset siemenet; sembramänty; siementen morfologia