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Ambrosia ambrosioides, also known as canyon ragweed or chicura, is a ragweed found in the deserts of northern Mexico (Baja California, Baja California Sur, Chihuahua, Durango, Sonora), Arizona, and California (Ventura + San Diego Counties).
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 .
Ragweed pollen can remain airborne for days and travel great distances, and can even be carried 300–400 miles (500–600 km) out to sea. [12] Ragweeds native to the Americas have been introduced to Europe starting in the nineteenth century and especially during World War I , and have spread rapidly since the 1950s. [ 15 ]
Ambrosia bidentata, the lanceleaf ragweed, [1] is a North American species of plants in the family Asteraceae. It is native to the central and eastern parts of the United States, primarily the Mississippi Valley and the eastern Great Plains. [2] Ambrosia bidentata is an annual herb up to 100 cm (40 inches) tall. Leaves have only a few lobes ...
Common ragweed is a very competitive weed and can produce yield losses in soybeans as high as 30 percent. Control with night tillage reduces emergence by around 45 percent. Small grains in rotation will also suppress common ragweed if they are overseeded with clover. Otherwise, the ragweed will grow and mature and produce seeds in the small ...
Ambrosia deltoidea is a North American species of flowering plant in the family Asteraceae known by the common names triangle bur ragweed, triangle bursage, and triangleleaf bursage. [ 3 ] Distribution and habitat
A new approach used to explore associations of current Ambrosia pollen levels with current and past meteorological elements (co-author, 2015) Anthropogenic Air Pollution in Ancient Times. History of Toxicology and Environmental Health. Toxicology in antiquity. (2015) The history of ragweed in the world (co-author, 2015)
Ambrosia ilicifolia is a species of ragweed known by the common names hollyleaf burr ragweed and hollyleaf bursage. [2] It is native to the deserts and mountains of western Arizona, and the adjacent Sonoran Desert areas of southeastern California, Sonora and Baja California. It grows in dry washes, scrub, and other local habitats. [3] [4]