Flora do not follow the Wallace Line to the same extent as fauna.
Key findings, such as the sharp difference in fauna either side of the Wallace Line, can only be understood in this light.
He did this so effectively that it is to this day referred to as the Wallace Line.
The division is not quite so clear-cut now, but the basic principle of the "Wallace Line" is still accepted.
This island group is on the western side of the Wallace Line.
It is native to these areas west of the Wallace Line growing at elevations below 150 metres.
Indonesia has an enormous biodiversity because the Wallace Line splits the archipelago in two.
The Wallace Line is a key term in biogeography.
The Wallace Line also appears to mark the division between two very different kinds of mind - the "continental" and the "oceanic".
Bali, on the other side of the Wallace Line, has a single species.