Published in Bulletin of the Natural History Museum (Botany), in 2000, in volume 30, issue 1, pages 1-5

Published in Bulletin of the Natural History Museum London, Botany, in 2000, in volume 30, issue 1, pages 7-11

Published in Bulletin of the Natural History Museum (Botany), in 2000, in volume 30, issue 1, pages 13-30

Published in Bulletin of the Natural History Museum. Botany series., in 2000, in volume 30, issue 2, pages 33-79

Published in Bulletin of the Natural History Museum. Botany series., in 2000, in volume 30, issue 2, pages 81-99

Published in Bulletin of the Natural History Museum. Botany series., in 2000, in volume 30, issue 2, pages 101-130