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American Mushroom Invades Poland's Ancient Forest
30 Nov
Summary
- An invasive American mushroom species is spreading rapidly in Poland's Białowieża Forest.
- The Aureoboletus projectellus poses a threat to native fungi and local biodiversity.
- Officials are tracking the spread and encouraging public reports of sightings.

Government officials in Poland have issued a warning regarding the aggressive spread of an invasive American mushroom species, Aureoboletus projectellus, within the ecologically vital Białowieża Forest. This North American fungus, first identified in Poland in the early 2000s, has moved inland from the Baltic Coast, raising alarms among forest management authorities.
The presence of this exotic species is concerning due to its potential to outcompete native fungi, thereby disrupting the delicate food web and diminishing the rich biodiversity of Białowieża Forest. This ancient woodland is a UNESCO World Heritage Site and home to significant wildlife, including European bison.
While the mushroom is edible and poses minimal direct risk to humans, its ecological impact is a primary concern. Scientists are actively documenting its expansion and studying its long-term effects on the forest ecosystem, as effective containment measures are challenging due to its established symbiotic relationship with native pine trees.




