Chlorophyta
| ALGAE – Chlorophyta | Smithsonian Institution, National Museum of Natural History | |
| Botany Online – Chlorophyta | University of Hamburg, Faculty of Biology | |
| Brief Summary about Chlorophyta (including Images) | Curtis Clark, California State Polytechnic University, Pomona | |
| Chlorophyta | University of Guam, Division of Natural Sciences | |
| Chlorophyta | University of Hawai, Manoa | |
| Chlorophyta (Grünalgen) | University of Greifswald, Pharmazeutische Biologie | |
| Information about Desmid Groups | Institutionen för miljöanalys | |
| Introduction to the Desmids | Peter Coesel | |
| Introduction to the "Green Algae" | University of California, Museum of Paleontology | |
| Index to the Kingdom Plantae | University of Paisley, Biological Sciences |