Smith Matthew E, Douhan Greg W, Fremier Alexander K, Rizzo David M
Farlow Herbarium and Department of Organismic and Evolutionary Biology, Harvard University, 22 Divinity Avenue, Cambridge, MA 02138, USA.
Department of Plant Pathology, University of California at Davis, One Shields Avenue, Davis, CA 95616, USA.
New Phytol. 2009;182(2):295-299. doi: 10.1111/j.1469-8137.2009.02801.x.