Methodus Lichenum
Publishes an influential system for identifying and classifying lichens.
Permanent historical records · Updated 2026-11-03
1803 in Sweden
Explore 2 historical events and records for Sweden in 1803.
Historical records for Sweden in 1803
Sorted by month and day. Records with no month are shown last. Showing 2 of 2 unique records.
2Unique records
1 of 1Page
2Named events on this page
1Named people on this page
1Places on this page
Other events (month unknown)
Systematic Lichen Classification
Establishes lichenology as a specialized field of botanical study.
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.