Decaying population of Erigeron canadensis in a dry grassland site in western Brandenburg (near Gülpe), previously subjected to mechanical disturbance (Photo by Daniel Lauterbach, October 2023).

 
 
  Part of: Kowarik I (2023) Historical evidence for context-dependent assessment of Erigeron canadensis invasions in an 18th-century European landscape. NeoBiota 89: 1-15. https://doi.org/10.3897/neobiota.89.111268