Barbara Gravendeel Naturalis Biodiversity Center, The Netherlands
1 protocol

Bertie Joan van Heuven Naturalis Biodiversity Center, The Netherlands
1 protocol

Adam Karremans Lankester Botanical Garden, University of Costa Rica, Costa Rica
1 protocol

Rob Langelaan
  • Naturalis Biodiversity Center, The Netherlands
Research focus
  • Plant science
  • 1 Author merit


Laboratory education at University of Applied science in Amsterdam

Current Position

Rechears technician by Naturalis Biodiversity Centrum, the Netherlands.


  1. Bogotâ, R.G., Hoorn, C., Star, W., Langelaan, R., Banks, H., Galeano, G. and Bernal, R. (2015). Pollen morphology of Sabinaria magnifica (Cryosophileae, Coryphoideae, Arecaceae). Phytotaxa 207(1): 135-140.
1 Protocol published
Documentation of Floral Secretory Glands in Pleurothallidinae (Orchidaceae) Using Scanning Electron Microscopy (SEM)
Authors:  Adam P. Karremans, Bertie Joan van Heuven, Rob Langelaan and Barbara Gravendeel, date: 11/20/2016, view: 8736, Q&A: 0
A clear, step by step description of the treatment of orchid flowers, subtribe Pleurothallidinae, with Critical Point Drying for SEM is presented. It shows that a simple, short fixation and dehydration method prior to Critical Point Drying is ...
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