1. Royal Botanic Gardens Kew Richmond SurreyTW9 3AEUK
2. Department of Plant Biology University of Illinois at Urbana‐Champaign Urbana IL61801USA
3. Cullman Program for Molecular Systematics New York Botanical Garden 2900 Southern Boulevard Bronx NY10458USA
4. Department of Biology Manhattan College Riverdale NY10471USA
5. Department of Biological Sciences Boise State University 1910 University Drive Boise ID83725‐1515USA
6. Department of Botany University of Wisconsin‐Madison 430 Lincoln Drive Madison WI53706USA
7. Department of Biology Smith College Burton Hall 115 Northampton MA01063USA