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Evidence for the proposed merger of Pseudobryopsis papillata with Pseudobryopsis myura (Bryopsidaceae, Chlorophyta)

  • Michael J. Wynne

    Michael J. Wynne is Emeritus Professor at the University of Michigan, Ann Arbor. His research interests have been mostly centered on marine red algae. His long-term research on the Delesseriaceae culminated with the 2014 publication “The red algal families Delesseriaceae and Sarcomeniaceae”. He has done fieldwork in Alaska, the Sultanate of Oman and throughout the Caribbean. He has produced periodic revisions of his “A checklist of benthic marine algae of the Tropical and Subtropical Western Atlantic “ (1986, 1998, 2005, 2011). With Craig Schneider, he has produced “A synoptic review of the classification of red algal genera a half century after Kylin’s ”Die Gattungen der Rhodophyceen” (2007), with two later addenda (2010, 2013).

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    and Razy Hoffman

    Razy Hoffman is currently the curator de-facto of the National Algal and Seagrasses Herbarium of Israel and a Post-Doc student at Tel-Aviv University. He obtained his PHD from Bar-Ilan University in 2012. His main research interests, manuscripts and chapters, published in scientific books; focus on algal and seagrasses diversity, taxonomy and ecology as well as the commercial and medicinal potential of these groups. His study covers topics in marine and coastal ecology, seaweed biology and evolution, water quality and the effects of invasive and alien seaweeds and climate changes on the marine environment. Dr. Hoffman also works as a lecturer at Talpiot College of Education.

Published/Copyright: May 25, 2016

Abstract

Evidence is presented that the marine macroalga Pseudobryopsis papillata Nasr (Bryopsidaceae, Chlorophyta), described by Nasr in 1944 from the Red Sea, is conspecific with the Mediterranean generitype Pseudobryopsis myura (J. Agardh) Berthold in Oltmanns. Although Ps. myura was originally depicted as having non-papillate gametangia, recent and past collections of this species in the Mediterranean clearly show papillate gametangia, thus erasing the primary reason for distinguishing it from Red Sea populations. In addition, similar branch patterns and thallus lengths support the synonymization of these two species.

About the authors

Michael J. Wynne

Michael J. Wynne is Emeritus Professor at the University of Michigan, Ann Arbor. His research interests have been mostly centered on marine red algae. His long-term research on the Delesseriaceae culminated with the 2014 publication “The red algal families Delesseriaceae and Sarcomeniaceae”. He has done fieldwork in Alaska, the Sultanate of Oman and throughout the Caribbean. He has produced periodic revisions of his “A checklist of benthic marine algae of the Tropical and Subtropical Western Atlantic “ (1986, 1998, 2005, 2011). With Craig Schneider, he has produced “A synoptic review of the classification of red algal genera a half century after Kylin’s ”Die Gattungen der Rhodophyceen” (2007), with two later addenda (2010, 2013).

Razy Hoffman

Razy Hoffman is currently the curator de-facto of the National Algal and Seagrasses Herbarium of Israel and a Post-Doc student at Tel-Aviv University. He obtained his PHD from Bar-Ilan University in 2012. His main research interests, manuscripts and chapters, published in scientific books; focus on algal and seagrasses diversity, taxonomy and ecology as well as the commercial and medicinal potential of these groups. His study covers topics in marine and coastal ecology, seaweed biology and evolution, water quality and the effects of invasive and alien seaweeds and climate changes on the marine environment. Dr. Hoffman also works as a lecturer at Talpiot College of Education.

Acknowledgments:

R.H is a VATAT-supported post-doctoral fellow at the Steinhardt Museum of Natural History and National Research. His research was supported by an Israeli Taxonomy Initiative grant. The authors wish to thank Prof. Mohamed Saad Abd-El-Kareem of the Department of Botany and Microbiology, Alexandria University, for sending us images of the Type specimen of Pseudobryopsis papillata, which is located in ALEX.

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Received: 2016-3-1
Accepted: 2016-4-14
Published Online: 2016-5-25
Published in Print: 2016-6-1

©2016 by De Gruyter

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