category：

Plant, monocot, dicot, picking up specimen, making specimen, wetland, fern, red forest, Cassia Tora of PengHu, soybean of PengHu, Sida rhombifolia L. of PengHu, water willow. of PengHu, and Shiang- Ru grass

In terms of island ecology, an independent island seems a protection zone. For example, Cassia Tora of PengHu is the vernacular plant only known in islands. Protection shall be done to preserve genes accustomed to the environment. The Book organizes plants most seen in PengHu to provide references for interested people.