Bryophyte collection statistics
Calyptrochaeta asplenioides, collected from Réunion Island in the 18th century
Specimen numbers and preparation types in bryophyte collections:
| Specimens | Type specimens | |
| Mosses (Musci) | 700,000 | 28,000 |
| Liverworts (Hepaticae) | 100,000 | 4,000 |
| Hornworts (Anthocerothae) | 1,200 | 100 |
| Microscopic preparations | 1,300 | not estimated |
| Bound volumes | 7,500 | not estimated |
| Unmounted (backlogs) | 100,000 | not estimated |