The focuses of this survey are as follows: 1. Using the vascular plant list to mark the distribution areas and identify the flowering and fruiting seasons of various species in the Guanshan area. 2. Using plant charateristics and taxa to understand the vegetation condition at various interpretation sites. 3. Analyzing the percentage of different endemic species at various interpretation sites. 4. Surveying the harvesting and planting activities and damages in areas along the Southern Cross-Island Highway; and computerizing and establishing a data base for each interpretation site. 5. Conducting a detailed survey in the Meishan region.