diatomeeenpic Gomphonema clavatulum.JPG /Users/markoost/Documents/kennis/data/diatomeeenpic/Gomphonema clavatulum.JPG Unknown 2080 1544 3 0 diatomeen Unspecified 0 0 81 450 961 677 diatomeen Unspecified 0 0 741 616 1373 885