Gomphonema vancampianum sp. nov. LM micrographs taken from the holotype material (BR-4839, Lac du Drapeau, Sample DRAPEAU-U03VEG, France) A LM picture of a frustule in girdle view. The arrow indicates the smaller, more distantly spaced areolae on the mantle B–O LM pictures of valves in valve face view in decreasing length. The arrows indicate the possible presence of the marginal crest. Scale bar: 10 µm.

 
 
  Part of: Van de Vijver B, Pottiez M, Chavaux R (2024) Gomphonema vancampianum sp. nov. (Gomphonemataceae, Bacillariophyceae), a new large Gomphonema species from Europe. PhytoKeys 244: 1-13. https://doi.org/10.3897/phytokeys.244.122153