A new species, Navicula lothargeitleri sp nov., within the Navicula cryptocephala complex (Bacillariophyceae)

被引：9

作者：

Poulickova, Aloisie ^{[1
]}

Neustupa, Jiri ^{[2
]}

Hasler, Petr ^{[1
]}

Tomanec, Ondrej ^{[3
]}

Cox, Eileen J. ^{[4
]}

机构：

[1] Palacky Univ Olomouc, Fac Sci, Dept Bot, Slechtitelu 27, CZ-78371 Olomouc, Czech Republic

[2] Charles Univ Prague, Fac Sci, Dept Bot, Benatska 2, CZ-12801 Prague 2, Czech Republic

[3] Palacky Univ, Dept Phys Chem, Reg Ctr Adv Technol & Mat, Slechtetelu 27, CZ-78371 Olomouc, Czech Republic

[4] Nat Hist Museum, Cromwell Rd, London SW7 5BD, England

来源：

PHYTOTAXA | 2016年 / 273卷 / 01期

关键词：

cryptic diversity; Navicula lothargeitleri sp nov; epipelon; morphology; genetic; cytology; ECOLOGICAL VARIATION; SEXUAL REPRODUCTION; EPIPHYTIC DIATOMS; SELLAPHORA; LAKES;

D O I：

10.11646/phytotaxa.273.1.2

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Recently published phylogenetic analyses of 52 strains of Navicula cryptocephala-like diatoms confirmed the existence of genetically distinct lineages within N. cryptocephala: clade I "RBG" and clade II "Lubnaig". Using geometric morphometry, we compared strains of both clades with the lectotype and found that clade I represents N. cryptocephala sensu stricto, while clade II constitutes a different taxon, for which we establish a new species, Navicula lothargeitleri sp. nov. Both species can be distinguished by their interphase nucleus structure. Slight differences in valve morphology are described and discussed.

引用

页码：23 / 33

页数：11

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