Vallisneria spiralis

Scientific name	Vallisneria spiralis
Common name	Straight vallis
Origin	Most tropical and sub-tropical areas; originally southern Europe and North Africa
Aquarium use	Background
Lighting	Bright
Temperature	15-30oC (59-86oF)
Water chemistry	Not critical
Substrate	Plain gravel
Comments	An excellent background plant which is undemanding in terms of water chemistry. Any problems in growing this plant are likely to be due to insufficient lighting. This plant reproduces by runners under the substrate.