Trees
Species	leaf-falling-or-not	size	age	id
String		boolean										int	int		String-initials+1

Delimiter -> ,

http://www-personal.umich.edu/~bartlett/treedata
http://www-personal.umich.edu/~miklmikl/mmtrees
http://www-personal.umich.edu/~zhlu/treedata
http://www-personal.umich.edu/~jlaw/java526/jtrees.data
http://www-personal.umich.edu/~jttodd/jtTrees
http://www-personal.umich.edu/~vaughan/java/class/treedata.txt
http://www-personal.umich.edu/~dsasaki/tree.txt