About the Authors
- Mark M. Littler, Diane S. Littler, Barrett L. Brooks
- Department of Botany, Smithsonian Institution, Washington, D. C., United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MML DSL BLB. Performed the experiments: MML DSL BLB. Analyzed the data: BLB. Contributed reagents/materials/analysis tools: BLB. Wrote the paper: MML DSL.