http://smithsonianscience.org/2014/08/poison-ivy/ News about the Smithsonian’s research in the fields of anthropology, astrophysics, conservation biology, geology, materials science, paleontology, zoology, and global climate change. Mon, 08 Dec 2014 08:04:00 +0000 hourly 1 http://wordpress.org/?v=4.1 http://smithsonianscience.org/2014/08/poison-ivy/#comment-25998 Wed, 13 Aug 2014 23:03:00 +0000 http://smithsonianscience.org/?p=31919#comment-25998 It is difficult to find people who like PI. The autumn color show put on by this plant is astounding.

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