Hyssop-leaf thoroughwort
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Eupatorium
- species: Eupatorium hyssopifolium
Blades- Georgetown
- Seaford
Delaware- Cairo
- Tifton
- Unionville
Georgia- Eunice
Louisiana- Arden on the Severn
- Baden
- Berwyn Heights
- Bladensburg
- Brentwood
- Brookmont
- Cabin John
- Calverton
- Capitol Heights
- Cheverly
- Chevy Chase
- Chevy Chase Village
- College Park
- Colmar Manor
- Cottage City
- East Riverdale
- Easton
- Edmonston
- Fairmount Heights
- Federalsburg
- Forest Heights
- Fort George G Mead Junction
- Four Corners
- Friendship Village
- Glassmanor
- Glenarden
- Goddard
- Green Haven
- Herald Harbor
- Hyattsville
- Jessup
- Kemp Mill
- Landover
- Landover Hills
- Lanham
- Laurel
- Mount Rainier
- New Carrollton
- Ocean City
- Oxon Hill
- Princess Anne
- Riverdale Park
- Seabrook
- Seat Pleasant
- Silver Spring
- Solomons
- Somerset
- Takoma Park
- University Park
- West Ocean City
- White Oak
- Woodlawn
Maryland- Erma
- Rio Grande
New Jersey- Borough of Bronx
New York- Belle Haven
- Fairfax
- Franconia
- Huntington
- Lincolnia
- Manassas
- McLean
Virginia- Washington, D. C.
Washington, D.C.
United States