Photo 121190, (c) Ferran Jimenez Cortadelles, some rights reserved (CC BY-NC)

Attribution © Ferran Jimenez Cortadelles
some rights reserved
Uploaded by ferran ferran
Source MINKA
Original https://minka-sdg.org/photos/121190
Associated observations

Photos / Sounds

Observer

ferran

Date

March 20, 2021

Place

Spain (Google, OSM)

Description

Encyonema prostrata (Berkeley) Cleve.
Valva amb bord dorsal corbat, el ventral lleugerament convex o rectilini, extremitats rostrades.
Àrea longitudinal d'amplitud moderada, que s'amplia al centre formant un àrea ovalada asimètrica.
Rafe rectilini, amb fissures distals inclinades en sentit ventral.
Estries uniformement radiants al dors i més moderadament radiants les ventrals, esdevenint divergents a les extremitats. A la zona central presenta dues estries més curtes, una a cada cantó de la valva.
Dimensions: 60 x 22 µm.
Estries puntuades: 9 en 10 µm
Puntuacions de les estries: 18 en 10 µm.

Sinònims: Cymbella prostrata (Berkeley) Cleve.
Actualment la denominació acceptada és Encyonema leibleinii (Agardh) Silva et al 2013, tal com es defineix al següent article:
https://fottea.czechphycology.cz/pdfs/fot/2013/02/03.pdf

L'aigua del riu al lloc de mostreig presenta un conductivitat de 890 µS/cm i un pH = 7.6.

Associated taxa
Sizes
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