Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington DC 20013-7012, USA;
Research and Collections, Canadian Museum of Nature, Ottawa 3443, ON, Canada;
Division of Natural Sciences, J.F.Oberlin University, Machida, Tokyo 1940294, Japan;
Research and Collections, Canadian Museum of Nature, Ottawa 3443, ON, Canada;
Research and Collections, Canadian Museum of Nature, Ottawa 3443, ON, Canada;