Fig. 4From: First records of powdery mildew fungi (Erysiphales) on medicinal plants in TaiwanErysiphe heraclei on Eryngium foetidum (R. Kirschner 4729). a Hyphae with lobed appressoria and conidiophores. b Conidia. c Conidia with lobed appressoria on germination hyphae. Scale bars = 10 μmBack to article page