Slo.: Waldsteinov osat - Habitat: Light mixed wood, dominant Picea abies, partly in shade, calcareous but probably acid ground, average precipitations 2.000-2.600 mm/year, average temperature 6-8 deg C, elevation 1.320 m (4.300 feet), Dinaric phytogeographical region. - Substratum: soil. - Comment: Limited to South Austria, Slovenian, Balkan Peninsula and East Carpathians. - Ref.: (1) Botjan dr. Surina, personal communication. (2) M.A.Fischer, W.Adler, K.Oswald, Exkursionsflora Oesterreich Liechtenstein, Suedtirol, LO Landesmuseen, Linz, Austria (2005), p 935. (3) A.Martinči et all., Mala Flora Slovenije, Tehnična Zaloba Slovenije (2007), p 680.