Hawthorne, Linden. Rhs Plant Guides: Perennial.  Dorling Kindersley, 5 Oct. 2006

Sweet Garden Tienwei official website http://www.twsweetgarden.com.tw/

Floriculture Center official website http://www.tari.gov.tw/sub/index13.asp

Taiwan Orchids  http://www.toga.org.tw/