'This fungal tree infection, ceratocystis ulmi was 1st indentified in the Netherlands around 1919'
Dutch elm disease
BOTANY: This fungal tree infection, ceratocystis ulmi was 1st indentified in the Netherlands around 1919
This fungal tree infection, ceratocystis ulmi was 1st indentified in the Netherlands around 1919
This fungal tree infection, ceratocystis ulmi was 1st indentified in the Netherlands around 1919
BOTANY
Dutch elm disease
BOTANY