162,411 species and infraspecific names are in the database, 22,760 images, 64,001 bibliographic items, 474,997 distributional records.

Species References

Trigonium alternans (Bailey) A.Mann

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

Hoban, M.A. (1983). Biddulphioid diatoms. II. The morphology and systematics of the Pseudocellate species, Biddulphia biddulphiana (Smith) Boyer, B. alternans (Bailey) Van Heurck, and Trigonium arcticum (Brighywell) Cleve. Botanica Marina 26: 271-284.

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