Natuurtijdschriften

Volucella pellucens L. - een zweefvlieg Article

Natura, 65(6), 91-91.

V.S. van der Goot

January 1968
Ons egeltje Article

Natura, 65(4), 67-67.

D. Joustra

January 1968
Intercellular polar transport and the role of the plasmodesmata in coleoptiles and Vallisneria leaves Article

Acta botanica neerlandica, 18(1), 14-38.

W.H. Arisz

January 1969
The effect of low temperature on dry matter production, chlorophyll concentration and photosynthesis of maize plants of different ages Article

Acta botanica neerlandica, 18(1), 39-49.

Th. Alberda

January 1969
On a case of polyembryony in Pterocarya fraxinifolia (Juglandaceae) and on polyembryony in general Article

Acta botanica neerlandica, 18(1), 50-57.

F. Bouman and F.D. Boesewinkel

January 1969
Responses of bean plants to root temperatures. IV Translocation of 22Na applied to the leaves Article

Acta botanica neerlandica, 18(1), 58-66.

R. Brouwer and E. Levi

January 1969
Cytotaxonomic notes on African Papilionaceae Article

Acta botanica neerlandica, 18(1), 67-73.

J.A. Frahm-Leliveld

January 1969
Chromosome numbers and seedling morphology of some Angiospermae collected in Brazil Article

Acta botanica neerlandica, 18(1), 74-83.

Th.W.J. Gadella, E. Kliphuis, J.C. Lindeman and E.A. Mennega

January 1969

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