163,959 species and infraspecific names are in the database, 22,784 images, 63,109 bibliographic items, 484,421 distributional records.

Species References

Ralfsia expansa (J.Agardh) J.Agardh

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

León-Alvarez, D. & González-González, J. (2003). The morphological distinction of Ralfsia expansa and R. hancockii (Ralfsiaceae, Phaeophyta) from Mexico. Phycologia 42: 613-621.
León-Alvarez, D. (2005). The morphology of Ralfsia expansa (J. Agardh) J. Agardh (Ralfsiaceae, Phaeophyta) from Veracruz, Mexico. Cryptogamie Algologie 26: 343-354.
Sartoni, G. & Roddi, S. (1989). Acrospongium ralfsioides Schiffner and Ralfsia expansa (J. Agardh) J. Agardh (Ralfsiaceae, Phaeophyta): two new records from the Alboran Sea. Giornale Botanico Italiano 123: 145-155.
Tórgo, F.M.S. (1963). Observações sobre Ralfsia expansa (Phaeophyceae) e Hyella caespitosa (Cyanophyceae). Bolm Mus. nac. Rio de J.: nov. sér, bot., 30: 1-11, fig. 1-18, 1 mapa.
Tórgo, F.M.S. (1964). Observações sobre Ralfsia expansa (Phaeophyceae) e Hyella caespitosa (Cyanophyceae). : Anais XIII Congr. Soc. bot. Brasil, Recife. p. 107-113, fig. 1-18.

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