163,859 species and infraspecific names are in the database, 22,783 images, 63,093 bibliographic items, 481,370 distributional records.

Species References

Polysiphonia akkeshiensis Segi

References
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Kudo, T. & Masuda, M. (1986). A taxonomic study of Polysiphonia japonica Harvey and P. akkeshiensis Segi (Rhodophyta). Japanese Journal of Phycology 34: 293-310.

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