Taxon Account

Diatoma elongatum (Lyngbye) Agardh; 1824; 4

Synonymy

Diatoma tenue var. elongatum Lyngbye 1819

Key references

Morphology

Shape
Valves linear with rounded ends, sometimes slightly inflated.

Symmetry
Isopolar, bilaterally symmetrical.

Valve
Prominent transapical ribs (mostly primary and tertiary).

Striae
Very fine, not visible in LM.

Axial area
Very narrow, linear, not visible in LM.


SEM morphology
Uniseriate, parallel striae.

Internally prominent transapical ribs.

One rimoportula positioned close to one of the apical pore fields.

Literature

References are given in chronological order.

Reference
Citation
Agardh, C.A. 1824. Systema Algarum. Adumbravit C.A. Agardh. Lundae Literis Berlingianis. Lundae. xxxvii, 312 pp.. Taxonomy
Cleve-Euler A. 1968. Die Diatomeen von Schweden und Finnland. 5. Bibliotheca Phycologica. Morphology; Ecology
Geitler L. 1971. Über Differenzierung der Kettenkolonien von Diatoma elongatum und vulgare. Österreichische Botanische Zeitschrift. 119: 404-409. Biology
Hartley B., Barber H.G., Carter J.R., Sims P.A. 1996. An Atlas of British Diatoms. Bristol,. Biopress Limited. 601 pp; 290 Illustrations

Similar Species

Similar species not published on this website:

This page should be cited as:

Jüttner I., Williams D. M. Diatoma elongatum (Lyngbye) Agardh; 1824; 4. In: Jüttner I., Carter C., Chudaev D., Cox E.J., Ector L., Jones V., Kelly M.G., Kennedy B., Mann D.G., Turner J. A., Van de Vijver B., Wetzel C.E., 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=4096. [Accessed:  ].

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Record last modified: 27/12/2020