Vallisneria spiralis var. spiralis

Catalog picture of Vallisneria spiralis var. spiralis

Synonymies
Vallisneria michellii, Vallisneria pusilla

Description
Green plant with long straight leaves. This easy plant gets many runners. After a while a group of this plants get so thick that it has to be thinned out. This so it won't suffocate itself.

My experiences
The leaves of this plant were in my aquarium around 60 to 70 cm long. Therefore the leaves of this plant took a lot of light away from the other plants. This is why I changed this plant by Vallisneria americana var. biwaŽnsis, which leaves are (in my aquarium) only 40 cm long and therefore this plant takes away less light than the here described V. spiralis var. spiralis. 

Place and lighting in my aquarium
This plant stood in the left-back of my aquarium. The lighting I used at the time was a 0.42 Watt/liter lumilux TL lighting (2*18 Watt).
 
Foot-note
The picture on this page is taken from the book 'Sera aquariumplanzen katalog'.

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