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Name derivation:


Jania  J.V. Lamouroux  1812;  49 of 118 species descriptions are currently accepted taxonomically (Guiry and Guiry 2016).

Order Corallinales;  Family Corallinaceae



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:



Tropical and subtropical habitats, epiphytic or epilithic on limestone.  Annuals.  Grow faster with lower phosphate (an inhibitor of calcite crystalization)(Guiry and guiry 2016).




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.