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The endangered species Melica virgata was studied with respect to geographic distribution, the recent state of cenopopulations, the characteristics of habitats, phytocenotic relationships, morphology, and specific ecological and physiological features. The data on the introduction, biochemical composition, and economic significance of M. virgata are presented, and measures aimed at species conservation are proposed.  相似文献   
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Data are presented on the geographic distribution, habitat, phytocenotic preferences, morphology, ecological features, and demographic parameters of V. tsydenii, a rare species in Russia. Measures are proposed to protect its local habitat.  相似文献   
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