Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 1-29

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 31-37

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 39-74

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 75-84

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 85-93

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 95-99

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 101-111

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 113-114

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 115-117

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 119-186

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 187-259

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 353-432

Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 433-467