Plasmopara halstedii
- kingdom: Chromista
- phylum: Oomycota
- class: Peronosporea
- order: Peronosporales
- family: Peronosporaceae
- genus: Plasmopara
- species: Plasmopara halstedii
- London
Ontario
Canada- Batesville
Arkansas- Boulder
Colorado- Oregon
Illinois- Crawfordsville
- Lafayette
- Rockville
Indiana- Dodge City
- Manhattan
- Wichita
Kansas- Cabin John
Maryland- Amherst Center
- Brookline
- Cambridge
- Jamaica Plain
- Somerville
Massachusetts- Ann Arbor
Michigan- Minneapolis
Minnesota- Gulf Park Estates
- New Albany
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Mississippi- Columbia
Missouri- Belgrade
Montana- Asbury Park
- Ocean Grove
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New Jersey- Pecos
New Mexico- West Chester
Pennsylvania- Johnson
Vermont- Washington, D. C.
Washington, D.C.- Madison
- Platteville
- Waupaca
Wisconsin
United States