木赞白刺藻的形态与分类(硅藻门)

Q3 Agricultural and Biological Sciences

Novosti Sistematiki Nizshikh Rastenii Pub Date : 2020-01-01 DOI:10.31111/nsnr/2020.54.2.355

S. Genkal, I. Trifonova

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引用次数: 3

摘要

野生种的形态调查表明，其数量形态特征有显著的变异:阀径和高度;阀套上10 μm的乳晕列数和乳晕数;以及分离阀上的刺的数量和长度。棉衣高度与瓣径之比较低，10 μm以内的乳晕较多，是棉衣群的典型特征。瓣高/径比随瓣径的增大而减小，该属其它分类群(A. baicalensis、A. islandica和A. subarctica)也存在这种关系。分离阀的阀径与刺数无相关性。我们的调查证实了A. muzzanensis与A. granulata同义名的正确性，并根据原始和已发表的资料，我们建议对A. granulata的诊断进行修订。

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Morphology and taxonomy of Aulacoseira muzzanensis (Bacillariophyta)

Morphological investigation of wild populations of Aulacoseira granulata shows significant variability of its quantitative morphological characteristics: valve diameter and height; number of rows of areolae and number of areolae in 10 μm on the valve mantle; and number of spines and their length on separation valves. Low values of mantle height to valve diameter ratio and large numbers of areolae in 10 μm, typical for A. muzzanensis, are also found in populations of A. granulata. The valve height/diameter ratio decreases as the valve diameter increases, and such relationships also occur in other taxa of this genus (A. baicalensis, A. islandica, and A. subarctica). No correlation is found between valve diameter and number of spines in separation valves. Our investigations confirm the correctness of referring A. muzzanensis to the synonymy of A. granulata, and based on original and published data, we suggest emendation of the diagnosis of A. granulata.

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来源期刊

Novosti Sistematiki Nizshikh Rastenii Agricultural and Biological Sciences-Plant Science

CiteScore

1.50

自引率

0.00%

发文量

期刊介绍： The Journal is one of the scientific periodicals of the Komarov Botanical Institute (at present belonging to the Russian Academy of Sciences), founded as the garden of medicinal plants by Peter the Great in February 1714. The Journal under the name Novosti sistematiki nizshikh rastenii was founded in 1964 by the botanists of the Komarov Botanical Institute, St. Petersburg (formerly Leningrad). It represents a continuation of Botanicheskie materialy Instituta Sporovykh Rastenii Glavnogo Botanicheskogo Sada RS FSR, Petrograd, vol. 1–4(7), 1922–1926; Botanicheskie materialy otdela sporovyh rastenii Botanicheskogo Instituta imeni V. L. Komarova Akademii Nauk SSSR, Moscow, Leningrad, vol. 5(4/6)–5(10/12), 1940–1945; vol. 6(7/12)–16, 1950–1963, preceded by Botanicheskie materialy Otdela sporvykh rastenii Botanicheskogo Instituta Akademii Nauk SSSR, Moscow, Leningrad vol. 6(1/6), 1949. The Journal publishes original papers on taxonomy, systematics and biodiversity of algae, fungi, lichens and bryophytes.