Published in Bulletin of the Natural History Museum. Botany series., in 1997, in volume 27, issue 1, pages 1-5

Published in Bulletin of the Natural History Museum. Botany series., in 1997, in volume 27, issue 1, pages 7-9

Published in Bulletin of the Natural History Museum. Botany series., in 1997, in volume 27, issue 1, pages 11-29

Published in Bulletin of the Natural History Museum. Botany series., in 1997, in volume 27, issue 1, pages 31-73

Published in Bulletin of the Natural History Museum. Botany series., in 1997, in volume 27, issue 2, pages 77-147