Published in Phytologia, in 1937, in volume 1, pages 177-181

Published in Phytologia, in 1937, in volume 1, pages 212-222

Published in Phytologia, in 1937, in volume 1, pages 222-240

Published in Phytologia, in 1937, in volume 1, pages 241-247

Published in Phytologia, in 1937, in volume 1, pages 248-272

Published in Phytologia, in 1937, in volume 1, issue 5, pages 182-208

Published in Phytologia, in 1937, in volume 1, issue 6, pages 209-212