Are Habenaria and Cymbopogon both found in tropical climates?
Habenaria:  There are approximately 800-1000 species of "Habenaria", native to every continent except Antarctica, in both tropical and temperate zones. Cymbopogon: Cymbopogon, better known as lemongrass ( ; ), is a genus of Asian, African, Australian, and tropical island plants in the grass family.
yes