Johannes Leonardus Cornelis Hendrikus van Valkenburg
3PUBLICATIONS
5CO-AUTHORS
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Publications (3)
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|Apr 20, 2023
The large Gunnera's (G. tinctoria and G. manicata) in Europe in relation to EU regulation 1143/2014.Johan L C H van Valkenburg, Bruce A Osborne, Marcel Westenberg
|Aug 25, 2021
Pennisetum setaceum or Pennisetum advena cultivars, what ornamental do we have in our garden.Johannes Leonardus Cornelis Hendrikus van Valkenburg, Maarten Costerus, Marcel Westenberg
|Mar 05, 2019
Pollen morphology of the African Sclerosperma (Arecaceae).Friðgeir Grímsson, Johan L C H van Valkenburg, Jan J Wieringa
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