... Characterization of surfacen-alkanes and fatty acids of the epiphytic lichenXanthoria parietina, its photobiont a green algaTrebouxiasp., and its mycobiont, from the Jerusalem hills A. Torres1,I.Dor2, ... Sciences, Graduate School of Applied Science, The Hebrew University of Jerusalem, Israel;3 Department of Plant Pathology, ARO, Ministry of Agriculture, Bet Dagan, IsraelSurface alkanes and fatty acids ... micro-organism: a fungus(termed the mycobiont) and a green alga or a cyanobacte-rium (termed the photobiont). These organisms have bothalgal and fungal properties [1,2] and produce n-alkane,unusual betaine...