Rare species from overseas include the Jumbo Orchid (Phalaenopsis gigantea) from Java and Sabah, which with leaves as long as 90 centimeters is the largest of the moth orchids (genus Phalaenopsis); and from the Malay Peninsula, Phalaenopsis appendiculata, the smallest moth orchid, which has only twice been successfully transplanted from its natural habitat.
國外珍稀種則包括原產於印尼爪哇和沙巴，葉長 90 公分且為蝴蝶蘭中最大的「象耳蘭」；以及原產於馬來西亞半島，蝴蝶蘭中最小，只有 2 次野外採集記錄的「齒脊蝴蝶蘭」等。