giant sumpweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Cyclachaena
- species: Cyclachaena xanthiifolia
Ottensheim
Walding
Upper Austria
Austria
Borsbeek
Grobbendonk
Izegem
Roeselare
Flanders
Belgium
Calgary
Coaldale
Fort Macleod
Alberta
New Westminster
British Columbia
Melita
Manitoba
Truro
Nova Scotia
St. Catharines
Ontario
Canada
Århus
Central Jutland
Denmark
Wustermark
Brandenburg
Saarbrücken
Saarland
Germany- Luxembourg
Urshel’skiy
Vladimir
Russian Federation
Mörbylånga
Södra Sandby
Kalmar
Landskrona
Lund
Malmö
Skåne
Bergshamra
Bollmora
Stockholm
Årsta
Östermalm
Stockholm
Uppsala
Österbybruk
Uppsala
Örebro
Örebro
Ekängen
Östergötland
Sweden
Applewood
Brush
Denver
Ken Caryl
West Pleasant View
Colorado
Middletown
Naugatuck
New Haven
Plainville
Waterbury
Connecticut
Champaign
Illinois
Moorhead
Minnesota
Minden
Nebraska
Battle Mountain
Nevada
Fargo
North Dakota
Tonasket
Washington
United States
Lamadelaine