1. Department of Ecology; Faculty of Life Sciences; University of Copenhagen; Rolighedsvej 21 1958 Frederiksberg C Denmark
2. Laboratory of Molecular Systematics; Natural History Museum of Denmark; Sølvgade 83, opg. S 1037 Copenhagen K Denmark
3. Herbarium; Royal Botanic Gardens; Kew Richmond, Surrey TW9 3AE U. K.