Predicting potential geographical distributions and patterns of the relic plant Gymnocarpos przewalskii using Maximum Entropy and Genetic Algorithm for Rule-set Prediction Structure and dynamic characteristics of Gymnocarpos przewalskii in different habitats A study on species diversity of a Gymnocarpos przewalskii community in the Subei desert The spatial distribution patterns of rare plant Gymnocarpos przewalskii communities in Subei Community Characteristics of Asterothamnus centrali-asiaticus and Gymnocarpos przewalskii in the Subei Desert of Hexi Corridor, Gansu Tisssue culture and plant regeneration of rare plant Gymnocarpos przewalskii