Riedl, H 1979: Praadaption bei Flechten iranischer Halbwusten. Preadaptation in lichen from Iranian semi-deserts. - Plant Systematics and Evolution131: 217-233. [RLL List # 106-77 / Rec.# 15655] Keywords: IRAN/ DESERT/ PREADAPTATIONS/ MORPHOLOGY
Abstract: 2 figures. 1 table. [Study of 25 species of lichens collected in semidesertic to desertic areas. "Selective advantages and peculiarities in connection with the desert habitat are pointed out, such as inverse thallus-structure, a dense network of sketetal hyphae in the substrate in otherwise epilithic species, proliferating areolae of the thallus, immersed pycnidia with trichogynes and brownish spores in groups with usually colorless spores. The prevalence of cyanophilic lichens in deserts may have phylogenetic reasons, as these groups appear to date back to periods without higher vegetation and a desert-like environment." In German; English abstract.]
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