Green Gold from Ferns: Phytomining Rare Earths with Blechnum orientale

We dive into phytomining—the idea that plants can harvest rare earth elements. Focusing on Blechnum orientale, a fern that not only hyperaccumulates REEs but also forms nanoscale monazite crystals at room temperature, potentially offering a low-energy, safer route to critical metals. We'll walk through the three-stage process (phytoextraction, bio-ash enrichment, and extraction), and discuss regulatory and supply-chain implications for a greener tech future.

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