“…Before more advanced computing systems such as geographic information systems (GIS) became popular, data for grid maps could be easily computerized and analyzed statistically (Driese et al, 1997). It was shown that the grid mapping method is most effective for revealing new locations of rare and protected plants (Kiselyova et al, 2017). In order to establish an effective conservation program for a plant species, we should have enough knowledge of its biology and ecology.…”