巴西南部一级河流中的Cymbella loescherae sp. 11 .(硅藻科)

Polish Botanical Journal Pub Date : 2016-12-01 DOI:10.1515/PBJ-2016-0026

M. Garcia, Débora Barwaldt Dutra

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引用次数: 2

摘要

．本文报道了巴西南部塞拉河低海拔乡村溪流中的Cymbella C. Agardh新种。cymella loescherae M. Garcia & D. B. Dutra sp. 11。具有鲜明的特征，柱头呈椭圆形，内乳晕开口呈椭圆形，主要位于阀中心的背侧和腹侧有不同形状的乳晕(X、I、Y、z形)。它类似于C. subhimalaspera j ttner & Van de Vijver，它们呈现出大致相同的度量数据集，但主要在柱头的数量和形式以及乳晕内部开口的形式上有所不同。

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Cymbella loescherae sp. nov. (Bacillariophyceae) from First-Order Streams of Southern Brazil

. This paper describes a new species of Cymbella C. Agardh from low-elevation countryside streams of the Serra do in southern Brazil. Cymbella loescherae M. Garcia & D. B. Dutra sp. nov . has as distinctive features the elliptical shape of stigmata, elliptical internal areolae openings, and the presence of areolae of diverse shapes (X, I, Y, zig-zag) located mainly at the valve center on the dorsal and ventral sides. It resembles C. subhimalaspera Jüttner & Van de Vijver which presents about the same metric data set, but differs from it primarily in the number and form of stigmata, and the form of areola internal openings.

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来源期刊

Polish Botanical Journal

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： Polish Botanical Journal is an international journal publishing original papers covering various aspects of vegetation science, plant and fungi biodiversity, biosystematics (including plant anatomy, cytology and embryology), phytogeography, evolution and ecology. All papers are considered by at least two reviewers. Polish Botanical Journal is issued twice per year. The two issues form one annual volume.