Classification
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All Names

  • Scientific Names
    • Ambrosia
    • Acanthambrosia
  • English
    • ragweed

Extras

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27784472 51f3c96835 s Square Square Square 75px ambrosia artemisiifolia004 75px ambrosia chamissonis01 75px ambrosia gross Square Square Square Square Square Square 3979701892 5e1e6bea39 s 5087796789 2d1654e8bb s 4784371439 c973b2f5eb s 8084016561 6e66ec7e17 s 6191713753 de6d50e659 s 6143205156 063d8daa81 s 6181007193 8ec815bb8a s 20162 98 68 15320 98 68 75px ambrosia dumosa 1 4587593014 81aca03e1a s
Creative Commons Flickr Photos Tagged "Ambrosia."

Recent observations

Photos / Sounds

No photos or sounds

What

Common Ragweed Ambrosia artemisiifolia

Observer

mikecav24

Date

April 9, 2016

Description

Not rare and is in very good condition

Photos / Sounds

Square

What

burrobush Ambrosia dumosa

Observer

jaykeller

Date

March 12, 2016 06:57 AM PST

Photos / Sounds

Square

What

Giant Ragweed Ambrosia trifida

Observer

charley

Date

April 27, 2016

Photos / Sounds

What

Cheesebush Ambrosia salsola

Date

March 20, 2016 01:00 PM PDT

Description

Seen on the Hellhole Canyon Trail to Maidenhair Falls.

Photos / Sounds

Square

What

Giant Ragweed Ambrosia trifida

Observer

nanofishology

Date

April 24, 2016 02:44 PM CDT

Photos / Sounds

What

Cheesebush Ambrosia salsola

Observer

bradwinckelmann

Date

April 24, 2016 08:52 AM PDT

Photos / Sounds

Square

What

Giant Ragweed Ambrosia trifida

Observer

cohen

Date

April 22, 2016 12:46 PM CDT

Photos / Sounds

Square

What

Giant Ragweed Ambrosia trifida

Observer

emilyfazi

Date

April 23, 2016 09:46 AM CDT

Photos / Sounds

Square

What

Common Ragweed Ambrosia artemisiifolia

Observer

cdpeebles

Date

October 11, 2015 08:13 AM CDT

Photos / Sounds

What

Texas Giant Ragweed Ambrosia trifida var. texana

Observer

jim-botany

Date

April 22, 2016 03:56 PM CDT

Photos / Sounds

What

burrobush Ambrosia dumosa

Date

March 20, 2016 12:38 PM PDT

Description

Seen on the Hellhole Canyon Trail to Maidenhair Falls.

Photos / Sounds

Square

What

silver burr ragweed Ambrosia chamissonis

Observer

mrchasse

Date

April 21, 2016 10:54 AM PDT
View all observations

Description from Wikipedia

Ragweeds are flowering plants in the genus Ambrosia in the aster family, Asteraceae. They are distributed in the tropical and subtropical regions of the New World, especially North America, where the origin and center of diversity of the genus are in the southwestern United States and northwestern Mexico. Several species have been introduced to the Old World and some have naturalized.

No range data available.
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