Toxicological trivia from October 30, 2009: Eucalyptus trees (from  Greek ευκάλυπτος and Latin Eucalyptus spp.) are trees of the family Myrtaceae, of which there are over 700 species, most originating in:
a) Australia;
b) America;
c) Africa.

Correct Answer a. Read more in Spanish monograph: Repellents. Information Update 2009