Regarding Peter Borst's post that some 'weeds' will grow more and produce
more pollen at higher levels of atmospheric CO2.
The let us all dream about the these weeds being more productive:
dandelion
autumn olive
crab apple
wild rose
black locust
brambles/wild berries
honeysuckle
milkweed
clovers and vetches
sumac
purple loosestrife
goldenrod
Japanese knotweed
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