Peyssonnelia stratosa sp. nov. (Peyssonneliaceae,
Rhodophyta), a New Shallow-Water Species from Puerto Rico, Caribbean Sea

David L. Ballantine; Hector Ruiz

doi:10.7872/crya.v33.iss3.2012.235

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David L. Ballantine,^1,2,* Hector Ruiz¹

¹aDepartment of Marine Sciences, P.O. Box 9013 University of Puerto Rico, Mayagüez, Puerto Rico 00681
²bDepartment of Botany, National Museum of Natural History, Smithsonian Institution, Washington, D.C.

^*Corresponding author: david.ballantine@ upr.edu

Abstract

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.

Citation Download Citation

David L. Ballantine and Hector Ruiz "Peyssonnelia stratosa sp. nov. (Peyssonneliaceae,Rhodophyta), a New Shallow-Water Species from Puerto Rico, Caribbean Sea," Cryptogamie, Algologie 33(3), 235-244, (1 August 2012). https://doi.org/10.7872/crya.v33.iss3.2012.235

Published: 1 August 2012