Spirogyra majuscula Kütz., (a spirogyra)

29 Sep 2003 at OSGR: SU56 in Berks, England

Spirogyra majuscula is also a member of:
Lower Plants - lower plants (via Charophyta)

Record Summary	small floating mats in garden pond
Found as
Date	29 September 2003
Habitat feature	garden pond
OS grid ref	OSGR: SU56
Lat/Lon	51° 20’ N, 1° 10’ W
Vice County	Berks, VC no: 22
Country	England

Notes:

Bright green, mucilaginous, filamentous alga.

Chloroplasts: 4-6 spirals, not obvious until enhance contrast, making 0.25 to 0.5 turns per cell.

Cells 46-1340µm long, 60-67µm diam.

Cell walls: plain.

Starch present, abundant.

Also darker material with scalariform conjugation and lens-shaped zygospores

The following literature was used to identify this find:

John, D.M., Whitton, B.A. & Brook, A.J., 2002. The Freshwater Algal Flora of the British Isles, 702pp, Cambridge University Press

photomicrographs:

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Spirogyra majuscula Kütz., (a spirogyra)

29 Sep 2003 at OSGR: SU56 in Berks, England

Taxonomic hierarchy:

Spirogyra majuscula is also a member of:

BioImages - Virtual Field-Guide (UK)