Southern Fang Ji Root Classic Formulas … Natural Herb Library

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Historically dispelled wind-damp and alleviated painful obstruction ... older materia medica placed Guang Fang Ji in the broader Fang Ji family for swollen painful joints and damp-heat bi.
Historically promoted urination and reduced edema ... it was used for lower-body swelling, difficult urination, and damp accumulation.
The modern clinical meaning of this record is now overwhelmingly toxicological ... Guang Fang Ji is preserved here as a high-risk historical identity, not as a routine current-use recommendation.

Historical Fang Ji family use in edema and wind-damp formulas ... preserved here as documentary context only.
Fang Ji Huang Qi Tang lineage ... relevant only as a reminder that older naming practice did not reliably separate safe and unsafe Fang Ji sources.
Damp-heat painful-obstruction applications mirrored authentic Fang Ji on paper, which is exactly why substitution caused so much harm.

Older herb lists often treated Guang Fang Ji as a Fang Ji source for edema and painful obstruction before aristolochic-acid toxicity was fully recognized.
Modern pharmacognosy treats the identity distinction from authentic Han Fang Ji as essential because the traditional name overlap caused real nephropathy and urothelial malignancy cases.