Ambrosia trifida

Characteristics
Flowering Plants
Asteraceae
Asteraceae
Ambrosia
Ambrosia trifida L.
Giant ragweed; Great ragweed
**
Forb
Annual
0
**
Native FAC (NWPL)
View details of Herbarium specimens
** Not applicable or data not available.
Classification
Asterales
Ambrosia
Ambrosia trifida L. - Giant ragweed; Great ragweed
Species Distribution Map

Based on vouchered plant specimens only. Click on a county to display its name.

Synonyms
Specimens and Distribution

Click on an Accession Number to view additional details about the specimen.

Range of years during which specimens were collected:

Plant Photos
Ambrosia trifida - 5
Ambrosia trifida - Marcia E. Moore View Full Size
Ambrosia trifida - 5
Ambrosia trifida - Marcia E. Moore View Full Size
Ambrosia trifida - 5
Ambrosia trifida - Marcia E. Moore View Full Size
Ambrosia trifida - 5
Ambrosia trifida - Marcia E. Moore View Full Size
Ambrosia trifida - 5
Ambrosia trifida - Marcia E. Moore View Full Size
Ambrosia trifida - 5
Ambrosia trifida - Marcia E. Moore View Full Size
Ambrosia trifida - 10
Ambrosia trifida - Ed Zschiedrich View Full Size
Ambrosia trifida - 10
Ambrosia trifida - Ed Zschiedrich View Full Size
Ambrosia trifida - 10
Ambrosia trifida - Ed Zschiedrich View Full Size
Ambrosia trifida - 10
Ambrosia trifida - Ed Zschiedrich View Full Size
Ambrosia trifida - 10
Ambrosia trifida - Ed Zschiedrich View Full Size