The alternative name for cow parsley is Queen Anne’s lace. This harks back to a folk tale that the flowers would bloom for Queen Anne and her ladies in waiting and reflect the delicate lace they wore. Cow parsley was used in traditional medicines and is said to help treat various ailments, such as stomach and kidney problems, breathing difficulties and colds. It has always been used as mosquito repellent. Bust beware it is easily confused with Fools Parsley which is poisonous to humans.