Phylum: Oomycota Family: Peronosporaceae
Plasmopara densa (Rabenh.) J. Schröt.
A Downy Mildew infecting several species of the Scrophulariaceae family
References:

Fungi Outer Hebrides Phylum: Oomycota Family: Peronosporaceae
Plasmopara densa (Rabenh.) J. Schröt.
A Downy Mildew infecting several species of the Scrophulariaceae family
References:
