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Common names include Santa-Maria, [2] Santa Maria feverfew, [3] whitetop weed, [4] and famine weed. [5] In India, it is locally known as carrot grass, congress grass [6] or gajar ghas or dhanura. [7] It is a common invasive species [8] in India, [9] Australia, and parts of Africa. [5] Pollen grains of Parthenium hysterophorus
Phytophotodermatitis, also known as berloque dermatitis, [1] [2] [3] margarita photodermatitis, [4] [5] lime disease [6] or lime phytodermatitis [6] is a cutaneous phototoxic inflammatory reaction resulting from contact with a light-sensitizing botanical agent (such as lime juice) followed by exposure to ultraviolet A (UV-A) light (from the sun, for instance).
A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural or other governing authority as a plant that is harmful to agricultural or horticultural crops, natural habitats or ecosystems, or humans or livestock. Most noxious weeds have been introduced into an ecosystem by ignorance, mismanagement, or ...
Watt & Brandwijk state that horses, domestic chickens and all birds eat the fruit with impunity, and further state that no records of poisoning in children exist, casting doubt on contrary published accounts. [11] The main toxic compound is the alkaloid, solasodine, with the highest content in the unripe green berry (2–3.5% dry weight). [12]
Washington state is home to over 140 different types of noxious weeds that could be extremely dangerous for humans, animals and other plants in your garden.
Argas persicus, also known as fowl tick or poultry tick, is a small soft-bodied tick that is found primarily on domestic fowl such as chickens, ducks, and geese. It was first recorded by Lorenz Oken in 1818 in Mianeh, Persia, [1] [2] and named Rhynochoprion persicum.
Green stems are splotched with purple and have coarse white hairs, which carry the plant's dangerous sap. Giant hogweed also produces thousands of dry, flat, oval seeds, which are about 3/8 of an ...
E. plantagineum contains pyrrolizidine alkaloids, so is poisonous to nonruminants. [10] [11] When eaten in large quantities, it causes reduced livestock weight, and death in severe cases, due to liver damage. [7] Paterson's curse can also kill horses, [12] and irritate the udders of dairy cows and the skin of humans.