On the basis of re-examinations of herbarium collections, species of the genus Stachys as host plants of the powdery mildew species Neoerysiphe galeopsidis in Slovakia and the Czech Republic were verified. A detailed description, illustrations, the host range and the distribution of this fungus are given.
Pastirčáková K., Ivanová H., Bernadovičová S. (2008): Neoerysiphe galeopsidis on Stachys species in Slovakia and the Czech Republic based on a re-examination of herbarium collections. – Czech Mycology 60(2): 251–264.