Synedra delicatissima v. angustissima Grun.


Width :5


Collection 841

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Authority information

Synedra delicatissima var. angustissima Grun in V. H., Syn. Diat. Belgique, pl. 39, fig. 10. 1881 (Patrick and Reimer 1966).

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This taxon has a long and narrow valve that usually appears sinuous. The pseudoraphe is very narrow. The central area is longer than it is broad. The straie are parallel (Patrick and Reimer 1966).

  • Synonyms
    Synedra acus var. angustissima (Grun.) V. H., Syn. Diat. Belgique, p. 151. 1885 (Patrick and Reimer 1966.

  • Ecology
    This taxon prefers slow moving water with low conductivity (Patrick and Reimer 1966.

    Size ranges and morphology

  • Length is 30 to 162 micrometers (Patrick and Reimer 1966).
  • Width is 1.2 to 5 micrometers (Patrick and Reimer 1966).
  • Striae are 23 to 28 in 10 micrometers (Patrick and Reimer 1966).