Photographic image
Quercus mongolica Fisch. In the foregroundNovember 16 1917
Wilson, Ernest Henry, 1876-1930.
Photographic image
Quercus mongolica var. grosseserrata Rehd. & Wils.November 5 1917
Wilson, Ernest Henry, 1876-1930.
Photographic image
Salix cardiophylla Trautv. & MeyerNovember 13 1917
Wilson, Ernest Henry, 1876-1930.