On 05/07/2015 16:59, Michael Uplawski wrote:
Thistle and dock will wait for ages to get a chance to sprout. I do not
know your English word for rumex acidus, but this is the only “weed"
root that I voluntarily tolerate on my compost (and about everywhere
else, too). (Want some?)

Rumex acidus is an illegitimate name for Rumex acetosa, the usual
English vernacular for which is sorrel.