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Species	Botrychium virginianum (L.) Sw.;
Taxonomy	Ophioglossaceae (R. Br.) Agardh; Botrychium Sw.
Species distribution by Meusel et al. (1965)	Circumpolar; Temperate
Life form by Raunkiaer
Relation to Central Russian Flora	original
Ecological-coenotic group and subgroup	Meadow-Stepp FreshMeadow
Life strategy by Grime (1979)
Species indicator values
by Ellenberg et al. (1991)	Temperature = 0 Continentality = 0 Soil Moisture = 0 Soil Reaction = 0 Soil Nutrients = 0 Light value = 0
by Landolt (1977)	Temperature = 2 Continentality = 4 Soil Moisture = 4 Soil Reaction = 4 Soil Nutrients = 3 Humus value = 3 Aeration value = 4 Light value = 3
by Tsyganov (1983)	Temperature: 5-10 Continentality = 5-13 Ombroclimate = Crioclimate = 2-9 Soil Moisture = 13-18 Soil Reaction = 7-11 Soil Nutrients = 3-9 Mineral salt value = 4-7 Light value = 1-6