Encyonopsis neerlandica, a new freshwater diatom species (Bacillariophyta) from moorland pools in The Netherlands

被引：7
|
作者：
Van de Vijver, Bart [1 ]
Verweij, Geurt L. [2 ]
Van der Wal, Jako [3 ]
Mertens, Adrienne [4 ]
机构：
[1] Natl Bot Garden Belgium, Dept Cryptogamy, B-1860 Meise, Belgium
[2] Koeman Bijkerk Nv, NL-9750 AC Haren, Netherlands
[3] AQUON Boxtel, NL-5280 AG Boxtel, Netherlands
[4] Grontmij BV, Dept Water, Team Ecol, NL-1090 HC Amsterdam, Netherlands
来源：
PHYTOTAXA | 2012年 / 66卷
关键词：
Bacillariophyta; Encyonopsis; fens; new species; The Netherlands;
D O I：
10.11646/phytotaxa.66.1.7
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new cymbelloid diatom species, Encyonopsis neerlandica sp. nov., is described from several moorland pools from The Netherlands. The new species belongs to the complex of species around E. microcephala. Based on light and detailed scanning electron microscopy, the morphology of Encyonopsis neerlandica is discussed and compared to similar species from this complex. Encyonopsis neerlandica is characterized by its rather large valve dimensions, the narrowly to clearly lanceolate valve outline with convex to weakly convex margins and rostrate to subcapitate apices. The distal raphe fissures are ventrally deflected. There is a clear difference between the rounded areolae near the valve margin and the transapically elongated areolae near the axial area. Notes on the ecology of the species are included.
引用
收藏
页码：43 / 48
页数：6
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