1.
FIGURES 1–4 in Taxonomic notes on Dutch desmids V (Streptophyta, Desmidiales): new species, new morphological features
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3.
FIGURES 13–16 in Taxonomic notes on Dutch desmids V (Streptophyta, Desmidiales): new species, new morphological features
FIGURES 1–8. Drawings 1 in Taxonomic notes on desmids from the Netherlands IV, with a description of another five new species
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