Q. hartwissiana - Armenian Oak - א. ארמני
The area of Quercus hartwissiana (Fagacea e) and opportunities of its extension in Bulgaria, K.Kostadinov & M. Brostilova
The area of Quercus hartwissiana (Fagacea e) and opportunities of its extension in Bulgaria, K.Kostadinov & M. Brostilova