Tropical American plants, VPublished in Fieldiana. Botany, in 1963, in volume 29, issue 10, pages 545-586An evaluation of the genus PoterantheraPublished in Fieldiana. Botany, in 1963, in volume 29, issue 9, pages 535-541
An evaluation of the genus PoterantheraPublished in Fieldiana. Botany, in 1963, in volume 29, issue 9, pages 535-541