Microsorum thailandicum T.Boonkerd & Noot was first discovered in Chumphon by Assoc. Prof. Dr. Thavisak Boonkerd in the limestone hills at high humidity. Dark green leaves a glimpse of blue like the color of the winged insect which is the source of name. The beauty of it cause was smuggled out of the forest to sell in the market a lot. The relatively slow growth of ferns is genetic. Therefore, increasing the amount of ferns in nature not enough to demand. So the ferns are decreased, there were fewer and risk of extinction in the future. I have studied the sterilized spore of fern for guidelines on tissue culture, conservation and business.