1. Department of Botany; MRC-166; Smithsonian Institution; PO Box 37012 Washington DC 20013-7012 USA
2. UA Museum of the North and Department of Biology and Wildlife; University of Alaska Fairbanks; 907 Yukon Dr., PO Box 756960 Fairbanks Alaska 99775-6960 USA
3. Office of the Chief Information Officer; Smithsonian Institution; 600 Maryland Avenue SW, Suite 810 Washington DC 20024-2530 USA