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Total Plants: 32
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Plant Low PPM High PPM StdDev *Reference
Tabebuia heptaphylla Bark -- -- *
Senna obtusifolia Seed 200.0 6000.0 1.0 *
Ruscus aculeatus Plant -- -- Lawrence Review of Natural Products, Sep-91.
Ruscus aculeatus Root -- -- *
Rumex acetosella Root -- -- *
Rumex crispus Shoot -- 56.0 *
Rumex hymenosepalus Plant -- 12000.0 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Rumex acetosa Root -- -- *
Rumex crispus Rhizome -- -- *
Rumex crispus Root 67.0 12000.0 1.0 *
Rumex crispus Seed -- 280.0 -1.0 *
Rheum palmatum Root -- 2100.0 -1.0 *
Rheum officinale Bulb -- -- *
Rheum palmatum Rhizome -- -- *
Rheum palmatum Petiole -- -- *
Rheum officinale Root -- -- *
Rheum palmatum Tissue Culture -- -- *
Rheum officinale Rhizome -- -- *
Rheum rhabarbarum Root Essent. Oil -- -- *
Rheum palmatum Bulb -- -- *
*Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.