2.3 Herbarium botanical identification
The use plant were identified taxonomically using taxonomic literatures such as the flora of Thailand,the Flora of Chains,and the Flora of Java etc.
The identifications were then confirmed in the herbarium of Queen Sirikit Botanical Garden Herbarium,Thailand.
2.4 Data analysis
2.4.1 Use value (uv)
The relative importance was calculated employing the use value (Phillips et all.,) a quantitative measure for the relative importance of species know locally