Philippine orchids :
Davis, Reg S.
Philippine orchids : a detailed treatment of some one hundred native species / by Reg S. Davis and Mona Lisa Steiner - New York : M.L. Steiner and R.S. Davis, 1952.
Orchids--Varieties.--Philippines
Orchids--Philippines.
Philippine orchids : a detailed treatment of some one hundred native species / by Reg S. Davis and Mona Lisa Steiner - New York : M.L. Steiner and R.S. Davis, 1952.
Orchids--Varieties.--Philippines
Orchids--Philippines.