1.
FIGURES 1–8. Drawings 1 in Taxonomic notes on desmids from the Netherlands IV, with a description of another five new species
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3.
FIGURES 9–17 in Taxonomic notes on desmids from the Netherlands IV, with a description of another five new species
FIGURES 18–23 in Taxonomic notes on desmids from the Netherlands IV, with a description of another five new species
FIGURES 24–29 in Taxonomic notes on desmids from the Netherlands IV, with a description of another five new species
FIGURES 30–38. SEM photographs. 30 in Taxonomic notes on desmids from the Netherlands IV, with a description of another five new species
Pollen profile LUXECHT3, Echternach, Luxembourg
Pollen profile LUXBERDO, Berdorf Aesbaach, Luxembourg
Pollen profile LUXECHT2, Echternach, Luxembourg