Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 1-211

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 213-221

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 223-260

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 261

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 263-269

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 271-299

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 305-327

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 329-338

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 351-394

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 395-418