**5.1 Conservation of endangered medicinal plants, coupled with the development of complementary planting**

#### *5.1.1. Preservation of medicinal plants*

For 10 species of medicinal plants in the conservation area of Vietnam found in Thai Nguyen province (IUCN Red list, Vietnam Red Book - Part II Plants (2007), Decree No. 06/2019/ND-CP of the Government of Vietnam). Suggested solutions include:

i.*In situ conservation:* Currently in Thai Nguyen province, there are Than Sa and Võ Nhai Nature Reserves and the buffer zone of Tam Dao National Park at Quan Chu commune, Đại Tú' district, Thai Nguyen province. These are special-use forests with the function of preserving the original genetic resources of existing forest plants and animals, including medicinal plants.

Coordinate with forestry officials to plan in situ conservation of threatened medicinal plant species, specifically as follows:


2.*Ex situ conservation:* Combined in the construction of the herbal garden of the old men and the mother and the garden of medicinal plants to serve the teaching requirements of professional schools in the province such as the University of Science, University of Medicine and Pharmacy, University of Agriculture and Forestry in Thai Nguyen province; Medical College of Thai Nguyen. Carrying out planting some rare and precious medicinal plants in danger of extinction for conservation and ex-situ. Based on biological characteristics, it is possible to grow most of the species in the list of 10 threatened species mentioned above.

According to ex situ conservation regulations, species need to be planted with a sufficient number of individuals, cared for, and accompanied by a regular monitoring record, to ensure the long-term survival of these species, in favorable human conditions grown, outside their inherent natural ecological environment.
