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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 acanthicarpa is a North American species of bristly annual plants in the family Asteraceae. Members of the genus Ambrosia are called ragweeds . The species has common names including flatspine bur ragweed , [ 3 ] Hooker's bur-ragweed , [ 4 ] annual burrweed , annual bur-sage , and western sand-bur .
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 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 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.