Published in Phytologia, in 1959, in volume 6, pages 433-443

Published in Phytologia, in 1959, in volume 6, pages 448-505

Published in PHYTOLOGIA, in 1959, in volume 6, issue 8, pages 446-448

Published in Phytologia, in 1959, in volume 6, issue 8, pages 506-507

Published in Phytologia, in 1959, in volume 7, pages 7-48

Published in Phytologia, in 1959, in volume 7, pages 49-73

Published in Phytologia, in 1959, in volume 7, pages 73-77

Published in Phytologia, in 1959, in volume 7, issue 1, pages 1-6

Published in PHYTOLOGIA, in 1959, in volume 7, issue 2, pages 77-91

Published in Phytologia, in 1959, in volume 7, issue 2, pages 91-104