QuestionI only know a few such as Nepenthes Rajah and lowii. i am building a terrarium.
AnswerHi Jake,
Off the top of my head would be the ones you mentioned, N. villosa, N. Khasiana, N. hamata, N. sibuyuensis, N. murudensis, N. diatas, N. inermis, N. jacquelineae to name a few. This kind of information is something you need to do more personal research on to get specifics on what elevation these plants occur at.
Good Growing!
Jeff Dallas
Sarracenia Northwest
http://www.cobraplant.com