Lê Thị Thanh Hương, Đinh Thị Lan Hương, Trịnh Ngọc Hoàng, Nguyễn Trung Thành

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Abstract

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References

South-Western Forestry College, Forestry
Department of Yunnan province, Iconographia
Cormophyorum Sinicorum-ICS, Tomus I-V,
Science Publisher, Beijing, 197 2-l 97 6.