1. Department of Computer Science Iowa State University Ames IA 50011 USA
2. Plant Sciences Institute Iowa State University Ames IA 50011 USA
3. Department of Botany University of British Columbia Vancouver BC V6T 1Z4 Canada
4. Department of Plant Pathology and Microbiology Iowa State University Ames IA 50011 USA
5. Department of Genetics, Development and Cell Biology Iowa State University Ames IA 50011 USA
6. Microscopy and NanoImaging Facility Iowa State University Ames IA 50011 USA