For Cryptomeria
Farjon, A. 1998. World checklist and bibliography of conifers. Royal Botanic Gardens, Kew, England.
Page. 1990. In Kramer, K.U., and P.S. Green. 1990. Pteridophytes and Gymnosperms. In K. Kubitzki, ed., The families and genera of vascular plants. Springer-Verlag, Berlin.
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