Species |
Spirodela polyrhiza (L.) Schleid.;
|
Taxonomy |
Lemnaceae S. F. Gray;
Spirodela Schleid.
|
Species distribution by Meusel et al. (1965) |
Circumpolar; Plurazonal
|
Life form by Raunkiaer |
summer-green; hydromorphe
|
Relation to Central Russian Flora |
original |
Ecological-coenotic group and subgroup |
Water-Swamp
|
Life strategy by Grime (1979) |
|
Species indicator values |
by Ellenberg et al. (1991) |
Temperature = 6
Continentality = 5
Soil Moisture = 11
Soil Reaction = 0
Soil Nutrients = 7
Light value = 7
|
by Landolt (1977) |
Temperature = 5
Continentality = 3
Soil Moisture = 5
Soil Reaction = 3
Soil Nutrients = 3
Humus value = 0
Aeration value = 0
Light value = 4
|
by Tsyganov (1983) |
Temperature: 4-16 Continentality = 1-15 Ombroclimate = Crioclimate = 1-15 Soil Moisture = 19-23 Soil Reaction = 1-11 Soil Nutrients = 4-10 Mineral salt value = 6-9 Light value = 1-4 |