Ballota nigra subsp. sericea SynonymySource: 2010: World Checklist of Selected Plant Families (2010), copyright © The Board of Trustees of the Royal Botanic Gardens, Kew.Ballota nigra subsp. sericea (Vandas) Patzak in Ann. Naturhist. Mus. Wien 62: 70. 1958≡Ballota nigra var. sericea Vandas, Reliq. Forman.: 471. 1909ContentDistribution Bibliography Distribution Al Gr Ju Euro+Med: Albania nativeA; Former Yugoslavia nativeA; Greece nativeA Bibliography A. Kew World Checklist of Selected Plant Families