155,120 species and infraspecific names are in the database, 21,784 images, 59,951 bibliographic items, 433,854 distributional records.

Ralfsia californica Setchell & N.L.Gardner

Publication details
Ralfsia californica Setchell & N.L.Gardner 1924: 2, no fig.

Published in: Setchell, W.A. & Gardner, N.L. (1924). Phycological contributions, VII. University of California Publications in Botany 13: 1-13.

Type species
The type species (holotype) of the genus Ralfsia is Ralfsia deusta (C.Agardh) Berkeley.

Status of name
This name is currently regarded as a synonym of Petalonia fascia (O.F.Müller) Kuntze

Origin of species name
Adjective A (Latin), pertaining to California (Stearn 1973).

Synonym(s)
No synonyms are currently included in AlgaeBase.

Taxonomic notes
Wynne (1969: 30) established that this was a stage in the life histroy of Petalonia fascia using material from the type locality. Gabrielson, Widdowson & Lindstrom (2004: 59; 2006: 75) point out that if material referred to this name on the west coast of North America represent an independent species, a new name will be required.

General environment
This is a marine species.

Description
Emend. Hollenberg, 1969: 291.

Detailed distribution with sources (Click to Load)

Key references
Gabrielson, P.W., Widdowson, T.B. & Lindstrom, S.C. (2004). Keys to the seaweeds and seagrasses of Oregon and California. Phycological Contribution 6: [i]-iv, 1-181.

Gabrielson, P.W., Widdowson, T.B. & Lindstrom, S.C. (2006). Keys to the seaweeds and seagrasses of southeast Alaska, British Columbia, Washington and Oregon. Phycological Contribution 7: [i]-iv, 1-209.

Pedroche, P.F., Silva, P.C., Aguilar Rosas, L.E., Dreckmann, K.M. & Aguilar Rosas, R. (2008). Catálogo de las algas benthónicas del Pacífico de México II. Phaeophycota. pp. [i-viii], i-vi, 15-146. Mexicali & Berkeley: Universidad Autónoma Metropolitana; Universidad Autónoma de Baja California; University of California Berkeley.

Wynne, M.J. (1969). Life history and systematic studies of some Pacific North American Phaeophyceae (brown algae). University of California Publications in Botany 50: 1-88.

Created: 13 April 1998 by M.D. Guiry

Verified by: 13 November 2017 by Wendy Guiry

Accesses: This record has been accessed by users 1094 times since it was created.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

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

Dethier, M.N. (1981). Heteromorphic algal life histories: the seasonal pattern and response to herbivory of the brown crust, Ralfsia californica. Oecologia 49: 333-339.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=4897

Citing AlgaeBase
Cite this record as:
Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 22 April 2019.

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