As with many members of the Asteraceae family, it starts life as a rosette, and then bolts to form an upright flower stem. Sow thistle is an annual weed that can establish at any time of the year. It ...

Our Mystery Plant ("Spiny sow-thistle”, Sonchus asper ... Sure enough, it is common all over the USA as a weed, and not just ...

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a ...

I had fought weeds of all kinds at our house in town ... dogbane, horseweed, sow thistle, stink grass, ragwort, poverty sumpweed. Programmed by evolution to eke out a living in the harshest ...

One of the weeds nearly everyone recognizes is the thistle. There are numerous thistles but the ones that make the Prohibited Weed List in Minnesota are the Canada thistle and the plumeless ...