Guanxian Ganoderma lucidum is a protected geographical indication product. Guanxian Ganoderma lucidum is a geographical indication certification trademark.

Guanxian Ganoderma lucidum is a specialty of Guanxian County, Liaocheng City, Shandong Province. Guanxian Ganoderma lucidum has been awarded the National Geographical Indication Certification Trademark.

Guan County is located in the Luxi Plain, with a climate that has four distinct seasons and is suitable for the artificial cultivation of Ganoderma lucidum. The promotion of Ganoderma cultivation in the county started from 1991 to 2005, and the number of Ganoderma greenhouses increased from dozens to more than 3,000. Dianzi Town in Guan County is known as the hometown of Ganoderma lucidum. Ganoderma lucidum production accounts for 30% of the country's total and is an important Ganoderma lucidum production base. The Ganoderma lucidum grown in Guan County has been recognized as a "pollution-free agricultural product" by the Quality and Safety Monitoring Center of the Ministry of Agriculture, and Guan County has also become the "Ganoderma lucidum industrialization base" of the Chinese Academy of Sciences.

In 2013, "Guanxian Ganoderma" declared by the Guanxian Quality Agricultural Products Association was approved and registered as China's National Geographical Indication Certification Trademark by the Trademark Office of the State Administration for Industry and Commerce. The trademark registration number is: 12370639.

The production area of ??Ganoderma lucidum in Guan County is the administrative area currently under the jurisdiction of Guan County, Shandong Province.