Core Insights - The research team led by Zhu Jianxi from the Guangzhou Institute of Geochemistry has discovered a significant accumulation of rare earth elements in a fern species known as "Wumaojue" [1] - This study marks the first observation of self-assembly of rare earth elements within plant tissue, resulting in the formation of a mineral called "lanthanite" [1] - This finding represents the first instance of biogenic mineralization of rare earth elements in natural plants [1] Summary by Categories - **Research Findings** - The team found a large concentration of rare earth elements in the fern "Wumaojue" [1] - Rare earth elements were observed to self-assemble in plant tissue, forming lanthanite [1] - **Scientific Significance** - This discovery is the first of its kind, showcasing biogenic mineralization of rare earth elements in a natural plant [1]