| Specimens | Type specimens | |
| Red algae (Rhodophyta) | 120,000 | 6,000 |
| Brown algae (Phaeophyceae) | 50,000 | 3,300 |
| Marine green algae (Chlorophyta) | 35,000 | 1,000 |
| Freshwater and terrestrial green algae (Charophyta) | 18,000 | not estimated |
| Cyanobacteria (Cyanophyta) | 8,000 | not estimated |
| Other groups (including euglenoids and xanthophytes) | 1,000 | not estimated |