It depends what type. Some varieties are poisonous so I wouldn't recommend eating it unless you know what it is. If the river is polluted, it wouldn't be a good idea either.
Plant life , Fish , and the preditors that eat the fish die .
hamsters can not eat chick weed
no horses can't eat silver weed
Weed
Yes. The river smokes alot.
rock weed under goes photosynthesis.
Tortoise Eat weed
duck-weed
sea weed
By smoking weed
no
weed-ate, or cut with the string trimmer