Home / Rhodophyceae / Macroreds / Jania
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Name derivation:
Classification:
Jania J.V. Lamouroux 1812; 49 of 118 species descriptions are currently accepted taxonomically (Guiry and Guiry 2016). Order Corallinales; Family Corallinaceae
Morphology:
Heavily calcified erect thallus, bushy and articulate. Branching mostly dichotomous. Relatively small, on the order of a few mm to a few cm tall.  Dioecious gametophytes (Dawes and Mathieson 2008). More online.
Similar genera:
Habitat:
Tropical and subtropical habitats, epiphytic or epilithic on limestone. Annuals. Grow faster with lower phosphate (an inhibitor of calcite crystalization)(Guiry and guiry 2016).
References:
Dawes, C.J. and A.C. Mathieson 2008. Seaweeds of Florida. University Press of Florida (592 pp). Guiry, M.D. and G.M. Guiry 2014. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 30 May 2016. Lamouroux, [J.V.F.] 1812. Extrait d'un mémoire sur la classification des Polypiers coralligènes non entièrement pierreux. Nouveaux Bulletin des Sciences, par la Société Philomathique de Paris 3: 181-188.