152,895 species and infraspecific names are in the database, 20,947 images, 59,136 bibliographic items, 408,271 distributional records.

Species References

Ulva umbilicalis Linnaeus

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

Brodie, J. Irvine, L., Neefus, C.D. & Russell, S. (2008). Ulva umbilicalis Linnaeus and Porphyra umbilicalis Kützing (Rhodophyta, Bangiaceae): a molecular and morphological redescription of the species, with a typification update. Taxon 57: 1328-1331, 1 fig.
López-Figueroa, F. & Niell, F.X. (1989). Red-light and blue-light photoreceptors controlling chlorophyll a synthesis in the red alga Porphyra umbilicalis and in the green alga Ulva rigida. Physiologia Plantarum 76: 391-397.

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