The diatom genus Oricymba in Vietnam and Laos with description of one new species, and a consideration of its systematic placement

被引：30
|
作者：
Kulikovskiy, Maxim [1 ]
Glushchenko, Anton [1 ,2 ]
Kociolek, John Patrick [3 ]
机构：
[1] Russian Acad Sci, ID Papanin Inst Biol Inland Waters, Dept Water Plant Taxon & Geog, Borok 152742, Russia
[2] Kaluga State Univ, Kaluga Dist 248023, Russia
[3] Univ Colorado, Museum Nat Hist, Boulder, CO 80309 USA
来源：
PHYTOTAXA | 2015年 / 227卷 / 02期
基金：
俄罗斯科学基金会;
关键词：
diatoms; Oricymba; new species; morphology; distribution; Vietnam; Laos; FRESH-WATER; CYMBELLALES; BACILLARIOPHYCEAE; RIVER;
D O I：
10.11646/phytotaxa.227.2.2
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Species from the genus Oricymba are studied from freshwater ecosystems of Vietnam and Laos. Three species were found in Vietnam, namely O. japonica, O. subovalis and O. perjaponica comb. nov. The two last species are new taxa for the diatom flora of Vietnam. A new species is described from Laos, O. voronkinae sp. nov., and its morphology is documented with light and scanning electron microscopy. Oricymba voronkinae sp. nov. represents the first documented occurrence of the genus Oricymba in Laos. Our findings provide new information about the morphology and species distribution of the genus Oricymba in Indochina. We discuss the systematic position of Oricymba within the Cymbellales.
引用
收藏
页码：120 / 134
页数：15
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