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Showing 1 - 20 of 31 results

  1. Gomphonema acuminatum var. brebissonii (Kütz.) Grunow in Van Heurck, 1880

    Variety, Diatom

  2. Gomphonema acuminatum var. coronatum (Ehrenb.) W. Sm., 1853

    Variety, Diatom

  3. Gomphonema acuminatum var. elongatum (W. Sm.) Carr in S.E. Gray, 1864

    Variety, Diatom

  4. Gomphonema acuminatum var. pusillum Grunow in Van Heurck, 1880

    Variety, Diatom

  5. Gomphonema acuminatum var. trigonocephalum (Ehrenb.) Van Heurck

    Variety, Diatom

  6. Gomphonema angustatum var. obtusatum (Kütz.) Grunow in Van Heurck, 1880

    Variety, Diatom

  7. Gomphonema angustatum var. productum Grunow, 1880

    Variety, Diatom

  8. Gomphonema angustatum var. sarcophagus (Greg.) Grunow, 1880

    Variety, Diatom

  9. Gomphonema augur var. gautieri Van Heurck, 1885

    Variety, Diatom

  10. Gomphonema augur var. sphaerophorum (Ehrenb.) Grunow, 1878

    Variety, Diatom

  11. Gomphonema augur var. turris (Ehrenb.) Lange-Bert.

    Variety, Diatom

  12. Gomphonema exiguum var. minutissimum Grunow

    Variety, Diatom

  13. Gomphonema grovei var. lingulatum (Hust.) Lange-Bert., 1993

    Variety, Diatom

  14. Gomphonema helveticum var. tenuis (Fricke) Hust., 1930

    Variety, Diatom

  15. Gomphonema intricatum var. pumilum Grunow in Van Heurck, 1880

    Variety, Diatom

  16. Gomphonema montanum var. suecicum Grunow, 1880

    Variety, Diatom

  17. Gomphonema olivaceum var. balticum (Cleve) Grunow in Van Heurck, 1880

    Variety, Diatom

  18. Gomphonema olivaceum var. calcareum (Cleve) Cleve, 1894

    Variety, Diatom

  19. Gomphonema olivaceum var. fonticola Hust., 1945

    Variety, Diatom

  20. Gomphonema olivaceum var. minutissima F. Hustedt, 1930

    Variety, Diatom