Posted on April 28th, 2008February 10th, 2012 by Editor BStinkhorn A mysterious fungus sprung up in one of our flowerpots this weekend. It looked creepy and beautiful and smelled terrible. What could it be? Turns out it’s a Stinkhorn, a Columned Stinkhorn, to be exact: Clathrus columnatus. A tip of the hat to Lisa Mulvey for the quick ID.