Taxon Account

Navicula subalpina E.Reichardt; 1988; 241

Key references

Reichardt E. 1988. Neue Diatomeen aus Bayerischen und Nordtiroler Alpenseen. Diatom Research. 3(2): 237-244.

Morphology

Size
20-52 µm long, 5-7 cm wide (Lange-Bertalot 2001).

Shape
Valves lanceolate with subrostrate ends.

Symmetry
Isopolar, bilaterally symmetrical.

Striae
Striae radiate and curved in the central part of the valve, convergent near the poles. Areolae discernable to some degree in LM, ca. 35 in 10 µm (Reichardt 1988).

Axial area
Narrow linear.

Central area
Small, irregular, bordered by shortened striae of different length, 11-17 in 10 µm.

Raphe
Straight, filiform, central pores placed close to each other.

Literature

References are given in chronological order.

Reference
Citation
Reichardt E. 1988. Neue Diatomeen aus Bayerischen und Nordtiroler Alpenseen. Diatom Research. 3(2): 237-244. Morphology; Taxonomy; Description; Type Illustration; Ecology
Lange-Bertalot H. 2001. Navicula sensu stricto, 10 genera seperated from Navicula sensu lato, Frustulia. 2. Lange-Bertalot H. (ed.), Diatoms of Europe, Diatoms of the European Inland waters and comparable habitats. A.R.G. Gantner Verlag K.G., Ruggell. 526 pp Morphology; Illustrations; Ecology
Delgado C., Ector L., Novais M., Blanco S., Hoffmann L., Pardo I. 2013. Epilithic diatoms of springs and spring–fed streams in Majorca Island (Spain) with the description of a new diatom species Cymbopleura margalefii sp. nov. Fottea. 13(2): 87-104. Ecology; Illustrations
Mogna M., Cantonati M., Andreucci F., Angeli N., Berta G., Miserere L. 2015. Diatom communities and vegetation of springs in the south-western Alps. Acta Botanica Croatica. 74(2): 265-285. Ecology
Lange-Bertalot H., Hofmann G., Werum M., Cantonati M. 2017. Freshwater Benthic Diatoms of Central Europe: Over 800 Common Species Used in Ecological Assessment. Cantonati M., Kelly M.G., Lange-Bertalot H. (eds.), Koeltz Botanical Books, Schmitten-Oberreifenberg, Germany. 942 pp Morphology; Illustrations
This page should be cited as:

Kelly M., King L., Jüttner I. Navicula subalpina E.Reichardt; 1988; 241. 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=4646. [Accessed:  ].

Image Gallery

Record last modified: 27/12/2020