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Species	Scorzonera purpurea L.;
Taxonomy	Asteraceae Dumort.; Scorzonera L.
Species distribution by Meusel et al. (1965)	European-WestSibirian; Temperate-Submeridional
Life form by Raunkiaer	summer-green; scleromorphe, mesomorphe
Relation to Central Russian Flora	original
Ecological-coenotic group and subgroup	Meadow-Stepp Steppe
Life strategy by Grime (1979)
Species indicator values
by Ellenberg et al. (1991)	Temperature = 7 Continentality = 6 Soil Moisture = 2 Soil Reaction = 8 Soil Nutrients = 0 Light value = 7
by Landolt (1977)	Temperature = 2 Continentality = 2 Soil Moisture = 2 Soil Reaction = 4 Soil Nutrients = 3 Humus value = 4 Aeration value = 4 Light value = 4
by Tsyganov (1983)	Temperature: 7-13 Continentality = 7-13 Ombroclimate = Crioclimate = 5-13 Soil Moisture = 7-12 Soil Reaction = 7-11 Soil Nutrients = 3-9 Mineral salt value = 5-9 Light value = 1-4