The hard copy has been out for a while, but now it is available online. For those who know how to use taxonomic keys, this should prove very useful to people trying to identify spurges in the United States.

Here is the link: http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=112355

Posted on February 4, 2017 04:45 AM by nathantaylor