Today was the beginning of making Yellow Dock, Rumex Crispus, Tincture. My interest in yellow dock was stirred when I read a miraculous recovery of a patients teeth using it and oak bark in a Matthew Woods book, The Book of Herbal Wisdom. Also it is on the list of Herbalists without Boarders requested herbs so I thought time to harvesting. It was a beautiful day and the docks lifted unusally easy. We did it in conjunction with planting out yarrow roots. The dock was dominating in the wildflower meadow bank at Gerrdi Bro Dyffi and the yarrow was scarce so a great swop.
I have since read it is used for its action on the liver.