Taxon Account

Navicula radiosa Kützing; 1844; 91

Key references

Cox E.J. 1998. The identity and typification of some naviculoid diatoms (Bacillariophyta) from freshwater or brackish habitats. Phycologia. 37(3): 162-175.

Morphology

Shape
Narrowly lanceolate to lanceolate with rounded apices.

Symmetry
Isopolar, bilaterally symmetrical.

Striae
Strongly radiate at centre, radiate through much of the valve, becoming parallel and then convergent near the apices.

Axial area
Narrow linear.

Central area
Round to rhombic, 1/3 to rarely 1/2 of the valve width.

Raphe
Straight, with expanded central endings within the central area, terminal endings clearly hooked at the valve apices.

Other features
Central nodule often well-defined and rounded.

Literature

References are given in chronological order.

Reference
Citation
Kützing F.T. 1844. Die Kieselschaligen Bacillarien oder Diatomeen. Fr. Fritsch, Nordhausen. 152 pp; 30 pls Description; Morphology
Cox E.J. 1998. The identity and typification of some naviculoid diatoms (Bacillariophyta) from freshwater or brackish habitats. Phycologia. 37(3): 162-175. Morphology; Taxonomy; Type Illustration
Hofmann G., Werum M., Lange-Bertalot H. 2011. Diatomeen im Süßwasser-Benthos von Mitteleuropa. A.R.G. Gantner, Ruggell. 908 pp Morphology; Ecology; Illustrations
Bey M.-Y., Ector L. 2013. Atlas des diatomées des cours d’eau de la région Rhône-Alpes. Centre de Recherche Public Gabriel Lippmann, Vol. 1-6. Ecology; Illustrations; Morphology
This page should be cited as:

Cox E. J., Jones V., Jüttner I. Navicula radiosa Kützing; 1844; 91. In: Jüttner I., Bennion H., Carter C., Cox E.J., Ector L., Flower R., Jones V., Kelly M.G., Mann D.G., Sayer C., Turner J. A., Williams D.M.. Freshwater Diatom Flora of Britain and Ireland. Amgueddfa Cymru - National Museum Wales. Available online at https://naturalhistory.museumwales.ac.uk/diatoms/browsespecies.php?-recid=2583. [Accessed:  ].

Image Gallery

Record last modified: 27/12/2020