Publication
-
Oscillations in the redistribution of the growth sibstance naphthylacetic acid after phototropic induction Article
Acta botanica neerlandica, 18(1), 84-94.January 1969
-
Gregor Mendel and Hugo de Vries on the species concept Article
Acta botanica neerlandica, 18(1), 95-98.January 1969
-
An electron-microscopical study of the plasmodesmata in the roots of young barley seedlings Article
Acta botanica neerlandica, 18(1), 99-107.January 1969
-
A contribution to the wood anatomy of South American (chiefly Suriname) Rubiaceae. I. Article
Acta botanica neerlandica, 18(1), 108-123.January 1969
-
The occurrence of asperulosidic glycosides in the Rubiaceae Article
Acta botanica neerlandica, 18(1), 124-137.January 1969
-
Two new species of ferns from Suriname Article
Acta botanica neerlandica, 18(1), 138-142.January 1969
-
Some observations on barium sulphate in Spirogyra Article
Acta botanica neerlandica, 18(1), 143-151.January 1969
-
Notes on American Loganiaceae III. Revision of Bonyunia Rich. Schomb. Article
Acta botanica neerlandica, 18(1), 152-158.January 1969