David W Wheat Agblade at world.std.com
Thu Sep 15 06:59:58 EST 1994

Hundreds of plants produce seeds or fruits with attachment 
mechanisms (hairs, hooks, spines, stickyness) that get
called ''burrs''.  In the Western U.S. the most common
one we used to pick up was a species of Medicago, I think.
Better provide a better description.
David Wheat
dwheat at mcimail.com

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