The famous olive trees of Puglia are ravaged by disease – here's how we can save them

Diffusion of xylella in Italian olive trees: 2015-09-13

Puglia's ghost trees: James Mollison photographs the dying olive groves

Doorway to the Past: The Oldest Olive Trees in the World – Land Arch Concepts

Olive - Wikipedia

Southern Europe Could Lose $22 Billion Fighting Deadly Olive Tree Disease : NPR

The threat of an aggressive disease ravaging the olive trees in Italy is documented in Caimi

Olea europaea subsp. europaea (European olive)

The famous olive trees of Puglia are ravaged by disease – here's how we can save them

Adopt an olive tree Greenfinity Foundation

Olive - Wikipedia

The Thinking Tree - An ancient olive tree in Puglia, Italy over 1500 years old : r/pics