Holotype species: Gardneriella tuberifera Kylin
Original publication and holotype designation: Kylin, H. (1941). Californische Rhodophyceen. Acta Universitatis Lundensis 37(2): 1-71, 7 figs, 13 plates.
Taxonomic status: currently recognized as a distinct genus.
Most recent taxonomic treatment adopted: Schneider, C.W. & Wynne, M.J. (2007). A synoptic review of the classification of red algal genera a half a century after Kylin's "Die Gattungen der Rhodophyceen". Botanica Marina 50: 197-249.
Description: Plants are minute (2-5 mm) parasites of Sarcodiotheca gaudichaudii, on which they form knobby, pustular outgrowths. The medulla is a mixture of subisodiametric cells mixed with rhizoids and is surrounded by a cortex of subisodiametric cells of peripherally decreasing size. Carpogonial branches are 2-3-celled, and auxiliary cells are well-differentiated before fertilization. Fertilized carpogonia emit 1 or 2 connecting filaments. Gonimoblasts radiate from a central sterile-celled placenta and fuse to unpigmented gametophytic cells and also pigmented host cells. Carposporangia are borne in chains and are surrounded by a non-ostiolate pericarp lacking a surrounding consolidated hull. Tetrasporangia are less common than bisporangia, the latter of which produce either uninucleate or binucleate spores. Uninucleate bispores are an asexual life history phase and result in production of plants producing binucleate bispores. Both tetraspores and binucleate bispores germinate to produce gametophytic plants (Goff 1981). Details of reproduction are presented by Goff and Hommersand (1982).
Information contributed by: G.T. Kraft. The most recent alteration to this page was made on 8 Oct 2010 by M.D. Guiry.
Comments: Distribution: The species occurs from central California
Numbers of names and species: There is only one species or infraspecific name in the database at present, which has been flagged as accepted taxonomically on the basis of the listed literature under the species name. In some instances, opinions on taxonomic validity differ from author to author and users are encouraged to form their own opinion. AlgaeBase is a work in progress and should not be regarded as a definitive source only as a guide to the literature..
Names: ('C' indicates a name that is accepted taxonomically; 'S' a homotypic or heterotypic synonym; 'U' indicates a name of uncertain taxonomic status, but which has been subjected to some verification nomenclaturally; 'P' indicates a preliminary AlgaeBase entry that has not been subjected to any kind of verification. For more information on a species click on it to activate a link to the Species database):
Click here to also show infraspecific names in the list below.
Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in CD format. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. The PSA and AlgaeBase warmly acknowledge the generosity of all past and present contributors and particularly the work of Dr Parker.
Descriptions of chrysophyte genera were subsequently published in J. Kristiansen & H.R. Preisig (eds.). 2001. Encyclopedia of Chrysophyte Genera. Bibliotheca Phycologica 110: 1-260.
Created: 28 December 2000 by M.D. Guiry
Linking to this page: http://www.algaebase.org/search/genus/detail/?genus_id=42443
Please 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 21 January 2019.