I went mountain climbing recently and luckily, some orchids were observed nearby.
Thrixspermum subulatum, a lowland species. I was found about 500m above sea level and grows near full sun exposure.
Arachnis labrosa, grow with Thrixspermum subulatum above.
Young plants of Cym. dayanum. 800 meter above sea level. Near-full sunlight.
Liparis elliptica , in very humid forest. about1100 meter above sea level but also in lowland in rainy region in Taiwan.
Liparis cordifolia, in very humid, dark forest. 1200 meter highland.
Dendrobium clavatum, 1400 meter, high in the tree. At the margin of forest, enjory good sunlight for several hours.