Cystotheca lanestris
- kingdom: Fungi
- phylum: Ascomycota
- class: Leotiomycetes
- order: Erysiphales
- family: Erysiphaceae
- genus: Cystotheca
- species: Cystotheca lanestris
Sacramento
California- Champaign
Illinois
United States
Cystotheca lanestris Sacramento Champaign