A new Peyssonnelia species from shallow water habitats in southwest Puerto Rico is described. Peyssonnelia stratosa is yellowish beige or reddish in color and is composed of small overlapping blades 2–3 cm in diameter and forms extensive colonies. Peyssonnelia stratosa exhibits small cells at mid level in the perithallus, both immediate distal and proximal cells being much longer, giving the appearance of stratification within the perithallus. Tetrasporangia, cut off laterally from an enlarged proximal nemathecial cell, reach 190 µm in length.
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1 August 2012
Peyssonnelia stratosa sp. nov. (Peyssonneliaceae,Rhodophyta), a New Shallow-Water Species from Puerto Rico, Caribbean Sea
David L. Ballantine,
Hector Ruiz
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Cryptogamie, Algologie
Vol. 33 • No. 3
August 2012
Vol. 33 • No. 3
August 2012
Atlantique ouest
Caraïbes
Caribbean
Peyssonnelia
Peyssonneliaceae
Puerto Rico
Rhodophyta