The Phycobiliprotein pigments in the photobionts and the cephalodia of 31 lichen species (39 specimens) belonging to 17 genera from different altitude were studied. The presence of C-phycoerythrin, C-phycocyanin, allophycocynin and allophycocyanin B and II were found. C-phycoerythrin was the only predominant pigment in the thalli of Heppia gigantea (41.9%), whereas C-phycocyanin in the thalli of Collema furfuraceum, Pannaria rubiginosa and Peltula patellata (43.0-67.7%). In the thalli of the remaining species the predominant pigment was allophycocyanin (35.9-63.6%). The total content of phycobiliprotein pigments in the studied material ranged from 0.130 (Peltula patellata) to 2.682 mg g-1 dry weight (Psoroma hypnorum). In some species of lichens the presence of phytochrome was observed.
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