Dichotomous table for gallers on Ferula
by Hans Roskam
1a Galls in umbels and fruits => 2
1b Oblong swellings of variable gradation on leaf veins, -stalks, densely covered with aecia. F. communis, sadleriana: Puccinia ferulae
= Also known from Mediterranean, SE-Eu, Ferula hosts are the rusts Uromyces ferulae and Uromyces graminis, with cecidogenic aecia
1c Leaf sheath especially close to umbel inflated, bulging and swollen, succulent, often lacking leaf blade. F. communis: Jaapiella hedickei
2a Fruit swollen, rotund or pear-shaped, conspicuously bent if only one half galled. F. heuffelii: Asphondylia ruebsaameni
2b Galls in umbellules and fruits, inside wall lined with mycelium. F. communis:
Lasioptera carophila