The phrase "biblical weed" is often used to refer to plants that are mentioned in the Bible, such as frankincense, myrrh, or hyssop. However, there are many other plants that could also be referred to as biblical weeds. Some potential synonyms for this term might include herbs like sage or thyme, which were commonly used for medicinal or culinary purposes. Alternatively, plants like dandelions or thistles, which are often considered weeds today, may also have been present in the ancient world and could be considered biblical weeds. Ultimately, the term "biblical weed" is fairly broad and could encompass a wide variety of plant species.