gps marking idea 4 rainforest flora

I heard a story on CNN about people using GPS to track the depletion of the apex predator sharks in the world ocean's. I was thinking, what if you could use that for the various types of flora that can be found in the dwindling rainforest of the world to keep track of the loss of rainforest for wish could have been used to cure diseases, but was eliminated before we got the chance at the same time. We can use it to track what types of four are left for the potential cures for diseases.