Neidium affinevar amphirhynchus (Ehr.) Cl.




Collection 1788

Other images

More information

Return to Top Page Return to Genera List Return to Species List

Authority information

Neidium affine var. amphirynchus (Ehr.) Cl., K. Svenska Vet.-Akad. Handl., Ny Foljd, 26(2):68. 1894 (Patrick and Reimer 1966).

Other images

This image was taken utilizing DIC for the specimen above.

More information

The only things that differ from the taxon affine are the ends are protracted and slightly narrower (Patrick and Reimer 1966).

  • Synonyms
    Navicula amphirhynchus Ehr., Abh. Akad. Wiss. Berlin, for 1841:417, pl. 3(1), fig. 10. 1843 (Patrick and Reimer 1966).
    Neidium amphirhynchus (Ehr.) Pfitz., Bot. Abh. Geb. Morph. Physiol., 1(2):186, pl. 4. fig. 1. 1871 ( Patrick and Reimer 1966).
    Neidium iridis var. amphirhynchus (Ehr.) A. Mayer, Denkschr. Bayer. Botr. Ges. Regensburg, 13(N.F. 7):29, pl.2, fig. 34. 1917 (Patrick and Reimer 1966).

  • Ecology
    This taxon prefers a pH range of 4.0 to 9.0 and is a bottom form (Lowe 1974;Beaver 1981 ).

    Size ranges and morphology

  • Length is 30 to 45 micrometers (Patrick and Reimer 1966).
  • Width is 9 to 12 micrometers (Patrick and Reimer 1966).
  • Striae are 22 to 24 in 10 micrometers (Patrick and Reimer 1966).