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Red List of Bulgarian vascular plants
The national threat status of 898 species of vascular plants from the Bulgarian flora has been evaluated using Version 3.1 of the IUCN Red List Categories and Criteria. The resulting Red List of theExpand
Composition and Antimicrobial Activity of Achillea Distans Essential Oil
The essential oil of Achillea distans was analyzed and showed moderate activity against Staphylococcus aureus and Candida albicans, and weak activity against Salmonella typhimurium, Proteus vulgaris, and Escherichia coli. Expand
Effect of silver nitrate on in vitro root formation of Gentiana lutea
Considerable limitation of late bacterial contamination and improved in vitro rooting of plants were achieved on half strength MSR2 rooting medium supplemented with IBA (1 mg/l) and AgNO3 (1mg/l). Expand
Beech forest communities in Bulgaria
The analysis of Bulgarian Fagus sylvatica communities did not show a distinct pattern of geographic differentiation and did not support the concept of the alliance Fagion moesiacum, as accepted by many earlier authors, so a syntaxonomical scheme is accepted, which emphasizes variation due to edaphic and local topoclimatic factors rather than due to large-scale geographical differentiation. Expand
Flavonoid Constituents and Free Radical Scavenging Activity of Alchemilla mollis
8 is a new compound and its antioxidant activity is reported, and eight flavonoid glycosides are isolated by spectroscopic and spectrometric analysis. Expand
Essential Oil Composition of Achillea clusiana from Bulgaria
The essential oil compositon of Achillea clusiana Tausch from Bulgaria has been studied by GC and GC/MS and was characterized by the presence of oxygenated mono- and sesquiterpenoids. Expand
Embryological features, pollen and seed viability of Arnica montana (Asteraceae) – a threatened endemic species in Europe
The embryological study shows that A. montana is a facultative apomictic species in which sexual reproduction predominates and both sexual and asexual vegetative reproduction with rhizomes undoubtedly play more important roles than the apomixis for support and preservation of the populations. Expand