Twenty cultures selected to meet the needs of any biology course. Excellent survey of algal types and diversity.
| Anabaena | Euglena | Oedogonium |
| Polysiphonia (seaweed) | Scenedesmus | Spirogyra |
| Chlamydomonas | Gloeocapsa | Oscillatoria |
| Chlorella | Micrasterias (desmid) | Pandorina |
| Closterium (desmid) | Nostoc | Peridinium (Dinoflagellate) |
| Synedra (diatom) | Volvox | Ulva (seaweed) |
| Ectocarpus (seaweed) | Ulothrix |
Teacher's Manual also included.