Isaac 1811-1895 Sprague

Genera Florae Americae Boreali-Orientalis Illustrata. the Genera of the Plants of the United States Illustrated by Figures and Analyses from Nature; 2

Genera Florae Americae Boreali-Orientalis Illustrata. the Genera of the Plants of the United States Illustrated by Figures and Analyses from Nature; 1