Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 5-14

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 15-47

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 48-74

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 75-86

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 87-104

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 105-111

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 112-121

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 122-124

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 125-131

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 132-153

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 154-166

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 167-171

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 172-203

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 204-212

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 213-217

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 218-221

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 222-224

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 224-225

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 225

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 226

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 231

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 233-253

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 254-274

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 275-300

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 301-322

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 323-351

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 352-369

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 370-378

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 379-412

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 413-503

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 505-513

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 514-523

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 524-526

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 527-545

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 546-550

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 551-557

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 558-561

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 562-564

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 565-651

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 652-660

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 668-676

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 677-681

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 681-685

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 685-686