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Name derivation:

 

Classification:

Peyssonnelia Decaisne 1841;  81 of 116 species descriptions are currently recognized taxonomically (Guiry and Guiry 2013).

Order Peyssonneliales;  Family Peyssonneliaceae

 

Morphology:

Up to 20 cm breadth, most < 10 cm.  Blades entire, lobed, or deeply lacerate.

Similar genera:

 

Habitat:

 

References:

Decaisne, J.  1841.  Plantes de l'Arabie Heureuse, recueillies par M. P.-E. Botta et décrites par M. J. Decaisne.  Archives du Muséum d'Histoire Naturelle, Paris 2: 89-199, pls V-VII.

Guiry, M.D. and G.M. Guiry  2013.  AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 07 May 2013.