Timing of Occurrence of <i>Claviceps purpurea</i> Ascospores in Northeast Oregon

Fig. 4. Percentage of total pollen trapped at Sites 1 or 3 and Site 2, 2008, 2009, and 2010.



Image from Plant Health Progress article:
Timing of Occurrence of Claviceps purpurea Ascospores in Northeast Oregon