Published in Fieldiana Botany, in 1992, in volume 30, pages 1-158
Published in Fieldiana Botany, in 1992, in volume 31, pages 1-84
Published in Fieldiana Botany, in 1992, in volume 30, pages 1-158
Published in Fieldiana Botany, in 1992, in volume 29, pages 1-80