Cycas tansachana is a species of cycad in Thailand. They are located to the northeast of Khong Khi Sua in Kaeng Khoi District, Saraburi Province, central Thailand. It is also found in Praphotisat Cave Temple Huai Haeng (ห้วยแห้ง) Subdistrict, Kaeng Khoi District.Sudarat Hengbunmee, Duangkamol Maensiri and Pongthep Suwanwaree. Conservation of Cycas tansachana: A case study of Praphotisat Cave Temple (ถ้ำพระโพธิสัตว์), Kaengkhoi district, Saraburi province. It is locally abundant, but has a highly restricted distribution.

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