Very leafy plants 8 to 12 inches tall ... Usually variegated with a white or red "watermark." Stems are smooth grow horizontally near the soil. The round head has white to pink flowers.

Milk thistle (Silybum marianum) can be a pain if it's growing in your yard. It's non-native and can be an invasive plant, as ...

Trifoliate leaves, with long narrow leaflets serrated at the tips. Stipules are large anointed. Flower is commonly purple but may vary among shades of white, yellow and purple. Deep taproot. Hay, ...