159,038 species and infraspecific names are in the database, 22,477 images, 61,685 bibliographic items, 462,650 distributional records.

Species References

Cyclotella krammeri Håkansson

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

Håkansson, H. (1990). A comparison of Cyclotella krammeri sp. nov. and C. schumannii Håkansson stat. nov. with similar species. Diatom Research 5(2): 261-271.
Håkansson (1990). A comparison of Cyclotella krammeri sp. nov. and C. schumannii Håkansson stat. nov. with similar species. Diatom Research 5(2): 261-271.

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