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.
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. Biopress Ltd., Bristol. 601 pp. | 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., 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:
].
Record last modified: 27/12/2020