Ambrosia artemisiifolia (Common Ragweed), bark, stem (3.69343)
Date: August 16 2014Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), bark, stem
Ambrosia artemisiifolia (Common Ragweed), flower, full (3.69344)
Date: August 16 2014Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), flower, full
Ambrosia artemisiifolia (Common Ragweed), habit, fall (3.69345)
Date: October 4 2008Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), habit, fall
Ambrosia artemisiifolia (Common Ragweed), habit, fall (3.69346)
Date: October 16 2012Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), habit, fall
Ambrosia artemisiifolia (Common Ragweed), habit, spring (3.69347)
Date: May 2015Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), habit, spring
Ambrosia artemisiifolia (Common Ragweed), habit, spring, habit, young (3.69348)
Date: June 16 2008Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), habit, spring, habit, young
Ambrosia artemisiifolia (Common Ragweed), habit, spring, seedling (3.69349)
Date: June 16 2008Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), habit, spring, seedling
Ambrosia artemisiifolia (Common Ragweed), habit, summer (3.69350)
Date: September 15 2007Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), habit, summer
Ambrosia artemisiifolia (Common Ragweed), habit, summer (3.69351)
Date: July 28 2008Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), habit, summer
Ambrosia artemisiifolia (Common Ragweed), habit, summer (3.69352)
Date: August 9 2017Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), habit, summer
Ambrosia artemisiifolia (Common Ragweed), habitat, habit, summer (3.69353)
Date: August 16 2014Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), habitat, habit, summer
Ambrosia artemisiifolia (Common Ragweed), inflorescence (3.69354)
Date: September 15 2007Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), inflorescence
Ambrosia artemisiifolia (Common Ragweed), inflorescence (3.69355)
Date: August 16 2014Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), inflorescence
Ambrosia artemisiifolia (Common Ragweed), inflorescence (3.69356)
Date: August 9 2017Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), inflorescence
Ambrosia artemisiifolia (Common Ragweed), inflorescence (3.69357)
Date: August 9 2017Creator: Brown, Deborah J. G.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), inflorescence
Ambrosia artemisiifolia (Common Ragweed), infructescence (3.69358)
Date: October 6 2012Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), infructescence
Ambrosia artemisiifolia (Common Ragweed), leaf, lower surface (3.69359)
Date: August 16 2014Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), leaf, lower surface
Ambrosia artemisiifolia (Common Ragweed), leaf, summer (3.69360)
Date: July 28 2008Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), leaf, summer
Ambrosia artemisiifolia (Common Ragweed), leaf, upper surface (3.69361)
Date: August 16 2014Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), leaf, upper surface
Ambrosia artemisiifolia (Common Ragweed), leaf, upper surface (3.69362)
Date: July 28 2008Creator: Hedborn Jr., Edward A.
Type: Photographic image
Description:Ambrosia artemisiifolia (Common Ragweed), leaf, upper surface