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Total Plants: 4

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Plant	Part	Low PPM	High PPM	^*Reference
Coleus forskohlii	Plant	--	--	*
Coleus barbatus	Plant	--	--	Phytochemistry, 29: 821.
Coleus barbatus	Root	--	20.0	Jim Duke's personal files.
Plectranthus barbatus	Plant	--	--	Phytochemistry, 29: 821.

^*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.