More weed tutorials. This is Soursob. It is part of the oxalis family. As a kid I used to chew the flower stems for their sour taste. Which is most likely where the name comes from. It is harmless to humans, but I know it can be toxic to live stock when consumed in large quantities, and for a plant that rarely produces fruit or seed it is surprisingly good at dispersing itself through human activity (moving around of contaminated soils, etc). They can also be spread via water ways as the bulbs float and will travel downstream. Unfortunately the easiest way to control soursob is to spray it with Round Up or any selective turf herbicide if it is growing in lawn (such as Bindie, etc), and it can take several years to get it fully under control if the infestation is a bad one.
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