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Details for: Hieracium pilosella var. nigrescens
Source: Bräutigam, S. & Greuter, W. (2007-2009): Pilosella. – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
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Name: Hieracium pilosella var. nigrescens Fr.
Nomencl. ref.: in Nova Acta Regiae Soc. Sci. Upsal. 14: 2. 1848
Rank: Varietas
Status: SYNONYM
Synonym of: Pilosella officinarum Vaill.