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Ambrosia eriocentra (A.Gray) W.W.Payne – woolly fruit bur ragweed, hollyleaf bursage; Ambrosia flexuosa (A.Gray) W.W.Payne; Ambrosia grayi (A.Nelson) Shinners – woollyleaf bur ragweed, lagoonweed; Ambrosia × helenae Rouleau – Helen ragweed; Ambrosia hispida Pursh – coastal ragweed; Ambrosia humi León de la Luz & Rebman [3] Ambrosia ...
In 2007 several Ambrosia artemisiifolia populations were glyphosate resistant, exclusively in the USA. [19] As of 2014 the ragweed leaf beetle, Ophraella communa, has been found south of the Alps in southern Switzerland and northern Italy. Many of the attacked plants were completely defoliated. [20]
Ambrosia trifida, the giant ragweed, is a species of flowering plant in the family Asteraceae. It is native to North America , where it is widespread in Canada , the United States , and northern Mexico .
Ambrosia confertiflora is native to much of northern Mexico (from Sonora to Tamaulipas) and the southwestern United States from California east as far as Kansas, Oklahoma, and central Texas. [5] It is also naturalized in various other regions, and has been declared a noxious weed in Australia [ 6 ] [ 7 ] [ 8 ] and in Israel . [ 9 ]
Ambrosia grayi, the woollyleaf bur ragweed, [3] is a North American species of plants in the family Asteraceae. It is native to the west-central part of the Great Plains of the United States, in the states of Nebraska, Kansas, Colorado, New Mexico, Oklahoma, and Texas. [4] Ambrosia grayi is a perennial herb up to 30 cm (12 inches) tall. Leaves ...
Ambrosia deltoidea is a shrub growing from a taproot with many lateral and adventitious roots. The plant produces many thin branches growing up to about half a meter tall. It generally has many dead branches tangled in the living crown. It is drought-deciduous. The leaves are no more than 2 centimeters long.
Ambrosia salsola, [3] commonly called cheesebush, winged ragweed, burrobush, [4] white burrobrush, [citation needed] and desert pearl, [citation needed] is a species of perennial shrub in the family Asteraceae native to deserts of the southwestern United States and northwestern Mexico.
Ambrosia cordifolia, called the Tucson bur ragweed, [3] is a North American species of plant in the family Asteraceae. It is native to northern Mexico (Sonora, Sinaloa, San Luis Potosí, Guanajuato, Baja California Sur) and the State of Arizona in the United States. [4] [5] [6] Ambrosia cordifolia is a shrub up to 50 cm (20 inches) tall. Leaves ...