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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. It is locally abundant, but has a highly restricted distribution.

Cycas pranburiensis is a species of cycad endemic to Thailand. It is found only in the Khao Sam Roi Yot National Park area of Prachuap Khiri Khan Province. It is named after Pran Buri District in Thailand, where it was discovered.

Cycas lindstromii is a species of cycad endemic to southern Vietnam. It is found in Ba Ria-Vung Tau, Binh Thuan, Khanh Hoa, and Ninh Thuan provinces, Vietnam.

Cycas condaoensis is a species of cycad endemic to the Côn Đảo Islands off the coast of southern Vietnam.

Cycas hongheensis is a species of cycad endemic to Yunnan, southern China. It is found in Gejiu and Shiping County (near Nujie 牛街镇). It is also found in Dawei Mountain Nature Reserve. Only two wild populations remain, both with fewer than 1,000 individuals.

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