1. Instituto de Bot�nica, C.P. 68041, 04045-972, S�o Paulo, SP, Brazil;, Email: regina.hirai@gmail.com
2. Department of Botany, Smithsonian Institution, MRC 166, P.O. Box 37012, Washington, D.C. 20013-7012, U.S.A
3. Department of Biology, Duke University, Durham, North Carolina 27708, U.S.A. University Herbarium, 1001 Valley Life Sciences Building #2465, University of California, Berkeley
4. Department of Biology, Duke University, Durham, North Carolina 27708, U.S.A
5. University Herbarium, 1001 Valley Life Sciences Building #2465, University of California, Berkeley, California 94720-2465, U.S.A
6. Instituto de Bot�nica, C.P. 68041, 04045-972, S�o Paulo, SP, Brazil