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C.A. Portillo-Quintero, G.A. Sanchez-Azofeifa, Extent and conservation of tropical dry forests in the Americas,
Biological Conservation,
Volume 143, Issue 1, January 2010, Pages 144-155, ISSN 0006-3207,
DOI: 10.1016/j.biocon.2009.09.020.
(http://www.sciencedirect.com/science/article/B6V5X-4XJW01W-1/2/0bc9114d4...)

EOO and AOO as used by the IUCN Red List are two different ways of looking at the geographic range of a species. Estimates can be made in a variety of ways, see the CATS tool developed at Royal Botanic Gardens, Kew. Another way is to make use of the high resolution images on Google Earth where it is possible to 'draw' your species range based on your knowledge of an area or the habitat in which it occurs. One way to do this is as follows:

List of 1,500 legume species just added. I've included tribes to make it a bit easier to navigate. You can also use the search box at the top of the right sidebar. By clicking 'taxonomy' first it will search by taxonomy terms e.g. species lists.