Botanists stunned by tropical fern flourishing in Znojmo’s underground tunnels

Photo: Czech Television

Venus hair fern is usually found in tropical and subtropical regions, growing on palm trees and in rainforests. But—much to the surprise of botanists—it has also taken root in the 14th-century underground tunnels of Znojmo, a town in South Moravia. Despite its unnatural surroundings, the plant is not only surviving—it’s thriving.

The Znojmo underground, one of Central Europe’s largest labyrinths, stretches up to 25 kilometres.

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Author: Ruth Fraňková