What are the differences between Shepherd's Purse, Lepidium virginicum, Lepidium thunbergii, and Arabidopsis thunbergii? An explanation of how to distinguish between similar species.
Shepherd's purse, lacecap shepherd's purse, dog shepherd's purse, and Arabidopsis thaliana all belong to the Brassicaceae family, and among them, the one with the name "shepherd's purse" is a representative weed of Japan. It is characterized by flowering in early spring and quickly producing flat fruits. However, despite its fame, these four species...