Genus Ambrosia

Taxon ID: 32783

Summary

Maryland Biodiversity Project has documented 3 taxa in Genus Ambrosia.

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Species (3)

Media

31 displayed media

Great Ragweed in Dorchester Co., Maryland (9/13/2016).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Wayne Longbottom View Record

Annual Ragweed blooming in Montgomery Co., Maryland (8/2/2014).

Annual Ragweed (Ambrosia artemisiifolia Linnaeus) Media by Jim Brighton View Record

The leaves of Great Ragweed in Dorchester Co., Maryland (6/25/2013).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Jim Brighton View Record

Annual Ragweed, also known as Common Ragweed and Hay Fever Weed, in Prince George's Co., Maryland (8/5/2012).

Annual Ragweed (Ambrosia artemisiifolia Linnaeus) Media by Bill Hubick

Annual Ragweed in Kent Co., Maryland (7/5/2016).

Annual Ragweed (Ambrosia artemisiifolia Linnaeus) Media by Nancy Martin View Record

Great Ragweed in Howard Co., Maryland (9/7/2017).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Bill Hubick View Record

Annual Ragweed growing in St. Mary's Co., Maryland (5/10/2016).

Annual Ragweed (Ambrosia artemisiifolia Linnaeus) Media by Nancy Martin View Record

Great Ragweed blooming in Calvert Co., Maryland (8/29/2019).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Tyler Bell View Record

The blooms of a Great Ragweed in Talbot Co., Maryland (9/1/2013).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Jim Brighton View Record

Great Ragweed in Worcester Co., Maryland (8/19/2012).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Bill Hubick

Great Ragweed in Caroline Co., Maryland (9/13/2016).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Wayne Longbottom View Record

Great Ragweed growing in Harford Co., Maryland (8/19/2017).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Josh Emm View Record

Great Ragweed (flowers) in Howard Co., Maryland (9/3/2013).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Joanne Solem View Record

Great Ragweed (close-up) in Anne Arundel Co., Maryland (8/28/2012).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Bill Harms View Record

Annual Ragweed in Anne Arundel Co., Maryland (9/24/2016).

Annual Ragweed (Ambrosia artemisiifolia Linnaeus) Media by Bill Harms View Record

Great Ragweed in Howard Co., Maryland (9/3/2013).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Joanne Solem View Record

Great Ragweed in Howard Co., Maryland (8/24/2020). (c) johnbotany, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by John Hall View Record

Great Ragweed in Anne Arundel Co., Maryland (8/30/2017).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Tyler Bell View Record

Great Ragweed in Allegany Co., Maryland (7/21/2014).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Kimberly Booth

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Kimberly Booth View Record

Great Ragweed hosting a <em>Calycomyza platyptera</em> leaf mine in Worcester Co., Maryland (8/5/2018).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Josh Emm View Record

Annual Ragweed growing in Garrett Co., Maryland (8/20/2006).

Annual Ragweed (Ambrosia artemisiifolia Linnaeus) Media by Boyer and McDowell View Record

Great Ragweed in Baltimore Co., Maryland (8/27/2016).

Great Ragweed (Ambrosia trifida trifida Linnaeus) Media by Kirsten Johnson View Record

Annual Ragweed in Prince George's Co. (9/13/2025). (c) johnbotany, all rights reserved

Annual Ragweed (Ambrosia artemisiifolia Linnaeus) Media by John Hall View Record

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Synonyms

No synonyms linked for this taxon yet.

Citations

No citations linked for this taxon yet.

Descendant Taxa Checklist

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Common Name	Scientific Name	Family	Order	Class	Kingdom
Annual Ragweed	Ambrosia artemisiifolia	Asteraceae	Asterales	Magnoliopsida	Plantae
Great Ragweed	Ambrosia trifida trifida	Asteraceae	Asterales	Magnoliopsida	Plantae
Lanceleaf Ragweed	Ambrosia bidentata	Asteraceae	Asterales	Magnoliopsida	Plantae

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