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Name derivation:
Classification:
Rosenvingea Børgesen 1914; 7 of 10 species descriptions are currently accepted taxonomically (Guiry and Guiry 2016). Order Ectocarpales; Family Scytosiphonaceae
Morphology:
Bushy thallus up to 30 cm tall. Axes slightly compressed and hollow, 0.3 – 1.5 mm diameter. Surface cells have hairs. Plurilocular sporangia are stalked, 3-4 cells, 14 µm wide, in sori scattered on thallus surface (Dawes and Mathieson 2008).
Similar genera:
Habitat:
Florida, Bermuda, North Carolina, the Caribbean, Gulf of Mexico, Brazil, Mediterranean, eastern tropical Atlantic, Red Sea, Indo-Pacific and Australia (Ibid.).
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 2016. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 16 January 2013.