Analysis of the Type Material of Synedra deformis W.Sm. and Synedra vaucheriae var. Deformis Grunow (Fragilariaceae, Bacillariophyta)

IF 1.5 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY Cryptogamie Algologie Pub Date : 2020-11-12 DOI:10.5252/cryptogamie-algologie2020v41a13

Bart Van de Vijver, A. Mertens, L. Ector

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引用次数: 7

Abstract

ABSTRACT Despite being one of the dominant groups in the diatom flora of our rivers and lakes, the correct taxonomic identity of several Fragilaria Lyngb. taxa (formerly in the genus Synedra Ehrenb.) is often blurred by insufficient knowledge of the different morphological types. The present paper illustrates and discusses several former Synedra taxa using both light and scanning electron microscope observations. Based on the morphological analysis, Synedra deformis W.Sm. is transferred to the genus Fragilaria as Fragilaria deformis (W.Sm.) Van de Vijver & Ector, comb. nov. A second Synedra species, S. vaucheriae var. deformis Grunow, is likewise investigated but proved a later synonym of F. pectinalis (O.F.Müll.) Lyngb. The morphological results are compared with the (type) material of several similar Fragilaria species such as Fragilaria joachimii Kahlert, F. vaucheriae (Kütz.) J.B.Petersen, F. pectinalis and F. candidagilae Almeida, C.Delgado, Novais & S.Blanco. Notes on the ecology of the different species are added.

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Synedra deformation的类型材料分析。和水蛭草(水蛭草科，硅藻门)

摘要:作为我国江河湖泊硅藻区系的优势类群之一，对几种硅藻的正确分类身份进行了探讨。由于对不同形态类型的认识不足，常常模糊不清。本文用光镜和扫描电镜观察的方法说明和讨论了几个前Synedra类群。在形态学分析的基础上，对其进行了研究。被转移到Fragilaria genus作为Fragilaria deformis (w.s.m。)Van de Vijver & Ector，梳子。11 .另一个Synedra种，S. vaucheriae var. deformis Grunow，也进行了同样的研究，但后来被证明是F. pectinalis (o.f.m alll .)的同义词。Lyngb。形态学结果与Fragilaria joachimii Kahlert, F. vaucheriae (k tz.)等几个相似的Fragilaria种的(类型)材料进行了比较。J.B.Petersen, F. pectinalis和F. candidagilae Almeida, C.Delgado, Novais和S.Blanco。添加了不同物种的生态注释。

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来源期刊

Cryptogamie Algologie 生物-海洋与淡水生物学

CiteScore

2.60

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： Cryptogamie is a fast-track and peer-reviewed journal of international scope publishing in English only. It accepts original papers and review articles on the taxonomy, biology and ecology of all cryptogams. An issue of Cryptogamie may be devoted to a single topic, under the responsibility of guest editor(s). All articles published in Cryptogamie are compliant with the different nomenclatural codes. A copyright assignment will be signed by the authors before publication. Cryptogamie, Algologie accepts articles on systematics as well as ecology and evolution of any kind of algae (including Cyanobacteria).