157,546 species and infraspecific names are in the database, 22,210 images, 60,974 bibliographic items, 458,634 distributional records.

Bibliographic Detail

Sakayama, H., Hara, Y., Arai, S., Sato, H. & Nozaki, H. , 2004

Reference:
Sakayama, H., Hara, Y., Arai, S., Sato, H. & Nozaki, H. (2004). Phylogenetic analyses of Nitella subgenus Tieffallenia (Charales, Charophyceae) using nuclear ribosomal DNA internal transcribed spacer sequences. Phycologia 43: 672-681.

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