PRELIMINARY STUDIES ON THE PHYTOCOENOLOGICAL FEATURES OF THE DAVIDIA INVOLUCRATA FORESTS IN THE WOLONG REGION OF SICHUAN PROVINCE
PRELIMINARY STUDIES ON THE PHYTOCOENOLOGICAL FEATURES OF THE DAVIDIA INVOLUCRATA FORESTS IN THE WOLONG REGION OF SICHUAN PROVINCE
四川卧龙地区珙桐群落特征的初步研究