162,405 species and infraspecific names are in the database, 22,760 images, 63,996 bibliographic items, 474,969 distributional records.

Species References

Rhizosolenia hebetata f. semispina (Hensen) Gran

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

Ramsfjell, E. (1959). Dimorphism and the simultaneous occurrence of auxospores and microspores in the diatom Rhizosolenia hebetata f. semispina (Hensen) Gran. Nytt. Mag. Bot. 7: 169-173.
Takano, H. (1972). Remarks on the morphology of the diatom Rhizosolenia hebetata forma semispina occurring in cold and warm waters. In: Biological Oceanography of the Northern North Pacific Ocean (ed. A.Y. Takenouti) pp. 165-172. Idemitsu Shoten, Tokyo. ( Eds)

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