Medicinal plants from Iran boast a wide variety of biological properties, which need to be discovered, documented, and explored. While other countries have extensive pharmacopoeias to use as a guideline when it comes to medicinal plants, Iran has only but a number of books which contain basic information. There have been some strides recently with the publishing of the Iranian Herbal Pharmacopoeia, a truly valuable resource. While a second edition is in the pipeline, it focusses on the most prominent and well known and well-used medicinal plants from different countries in Iran.