Öz Turkey is one of the main centers of diversity for the bryophytes. Spore morphology has been useful in taxonomy. This study includes spore morphology of Orthotrichaceae, Grimmiaceae, Encalyptaceae, Hypnaceae, Pottiaceae, Brachytheciaceae and Bryaceae taxa. The aims of this study are to provide a detailed taxonomical, morphological, ecological and paleobotanical characterization of Bryophyta in Turkey. The spores of some Bryophyta taxa were examined by light and scanning electron microscopy for the first time. The apertural region forms a leptoma in all spores. The spore morphology of the examined taxa of the families belonged to granulate, granulate-pliate, verrucate, baculate-verrucate, rugulate, rugulate-verrucate, gemmate types (smooth, finely papillose, warty, coarsely papillose). The spore shape of all studied species was spheroid. The spore wall of the Bryophyta included sclerine and intine. The examined species of mosses belonged to three habitat types: corticolous, saxicolous and terrestrial type. We also discussed the taxonomical and ecological implications of the some Bryophyta with respect to its spore morphology
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