diatomeeenpic Frustulia creuzburgensis.JPG /Users/markoost/Documents/kennis/data/diatomeeenpic/Frustulia creuzburgensis.JPG Unknown 2080 1544 3 0 diatomeen Unspecified 0 0 518 477 979 1209 diatomeen Unspecified 0 0 1389 209 2071 416 diatomeen Unspecified 1 0 15 1071 355 1544