Studies of North Carolina marine algae XIV: increased diversity of flattened offshore Gracilaria (Gracilariales, Rhodophyta) species revealed by DNA sequences of contemporary specimens and the G. mammillaris holotype

Author:

Hardesty Deanna M.12,Freshwater D. Wilson1

Affiliation:

1. Center for Marine Science , University of North Carolina at Wilmington , 5600 Marvin K. Moss Lane , Wilmington, NC 28409 , USA

2. Department of Cell Biology and Physiology , University of North Carolina at Chapel Hill , Chapel Hill, NC 27514 , USA

Abstract

Abstract Gracilaria mammillaris has been the most common flattened Gracilaria reported from North Carolina offshore waters. Analyses of rbcL sequences from North Carolina specimens identified as G. mammillaris revealed that they were actually Gracilaria galatensis, Gracilaria hayi, Gracilaria isabellana, and Gracilaria occidentalis. Comparisons of contemporary Gracilaria rbcL sequences with a partial sequence from the G. mammillaris holotype indicated that G. mammillaris is most likely not present in North Carolina. Specimens from Venezuela and Brazil originally identified as Gracilaria curtissiae are G. mammillaris, and the currently designated G. mammillaris epitype represents a unique species described here as Gracilaria gurgelii sp. nov.

Publisher

Walter de Gruyter GmbH

Subject

Plant Science,Aquatic Science,Ecology, Evolution, Behavior and Systematics

Reference35 articles.

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2. Armisen, R. 1995. World-wide use and importance of Gracilaria. J. Appl. Bio. 7: 231–243.

3. Blomquist, H.L. and H.J. Humm. 1946. Some marine algae new to Beaufort, North Carolina. J. Elisha Mitchell Scient. Soc. 62: 1–18.

4. Bodard, M. 1965. Le Gracilaria occidentalis (Børg.): une espèce de Rhodophycée pantropicale Atlantique. Bull. Mus. Nat. Hist. Nat. (Paris). 36: 874–878.

5. Børgesen, F. 1920. The marine algae of the Danish West Indies. Part 3. Rhodophyceae (6). Danak. Bot. Arkiv. 3: 369–504.

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