Robert W. Freckmann Herbarium


  Ambrosia artemisiifolia L. image
Photographer: Paul Drobot           

Botanical Illustration

Botanical Illustration

Botanical Illustration

Emmet J. Judziewicz

Kenneth J. Sytsma

Kenneth J. Sytsma

Merel R. Black

Merel R. Black

Paul Drobot

Paul Drobot

Robert W. Freckmann

Stephen L. Solheim
Family Asteraceae
Ambrosia artemisiifolia L.
annual bur-sage, common ragweed, short ragweed
Ambrosia: Greek for "food of the gods"
artemisiifolia: having leaves that resemble those of Artemisia
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, annual, 12"-40" tall forb with upper branches; taprooted
Flower: inflorescence of many, small, green, bead-like heads on 6" spikes; blooms Aug.-Sept.
Fruit:seeds not on fluffy pappus
Leaf:divided more than once, feathery or fern-like, lower leaves opposite, upper leaves alternate
Habitat: disturbed sites
(Glossary)

More Information Natural Communities Herbarium Specimens
All Ambrosia list Ethnobotany Information Google- Images or Text

Flora of North America (off site)
Synonyms 
Ambrosia artemisiifolia L. var. elatior (L.) Descourt.
Ambrosia artemisiifolia L. var. elatior (L.) Descourt. f. villosa Fernald & Griscom
Ambrosia elatior L.
Ambrosia media Rydb.

         
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