CORTÉS, J.E. (1994). «The history of Gibraltar». Almoraima, (11), págs. 10-35. Nineteenth Century writings on the botany of Gibraltar, together with older historical texts and old prints and photographs, allow the piecing together of the recent history of the vegetation of the Rock of Gibraltar. Together they provide the most thorough account of the vegetation of any sierra in the region. The history of the vegetation ispresented as interpretedfrom these historical works using also datafrom more recent investigations. Conclusions are arrived at on the future possible directions of the vegetation and on suggested measurements for combining consewation of the present vegetation, its development in thefiture, and the preservation of is species richness