150,714 species and infraspecific names are in the database, 20,475 images, 58,060 bibliographic items, 381,741 distributional records.

Bibliographic Detail

Hoek, C. van den, 1963

Reference:
Hoek, C. van den (1963). Revision of the European species of Cladophora. Proefschrift...Rijksuniversiteit te Leiden. pp. [i]-xi, [1]-248, 1 fig, 55 plates, 18 maps. Leiden: E. J. Brill.

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