Bidens rebuttal
...it was–so I let it be. Eventually it developed small unspectacular yellow flowers. In my mind it was a pretty-ish weed, unidentified, but fairly harmless. I kept meaning to look it up, and at the same time, I pondered pulling it because it was competing for water with my more officially invited garden plants. (Since then I’ve learned that it might give off competitive chemicals, so probably isn’t the best companion to plants I actually want to ke...