Published in Annals of the Missouri Botanical Garden, in 1920, in volume 7, pages 1-49
Created: 2010-01-08, modified: 2015-12-16
doi:10.2307/2990044
Published in Annals of the Missouri Botanical Garden, in 1920, in volume 7, pages 51-74
Created: 2010-01-08, modified: 2015-12-16
doi:10.2307/2990045
Published in Annals of the Missouri Botanical Garden, in 1920, in volume 7, pages 81-249
Created: 2010-01-08, modified: 2015-12-16
doi:10.2307/2990127
Published in Annals of the Missouri Botanical Garden, in 1920, in volume 7, pages 249-289
Created: 2010-01-08, modified: 2015-12-16
doi:10.2307/2990121
Published in Annals of the Missouri Botanical Garden, in 1920, in volume 7, pages 299-305
Created: 2010-01-08, modified: 2015-12-16
doi:10.2307/2990123