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All parts of these plants are toxic, due to the presence of alkaloids. Grazing animals, such as sheep and cattle, may be affected and human fatalities have occurred. [106] Delphinium spp. larkspur Ranunculaceae: Contains the alkaloid delsoline. Young plants and seeds are poisonous, causing nausea, muscle twitches, paralysis, and often death.
Locoweed (also crazyweed and loco) is a common name in North America for any plant that produces swainsonine, an alkaloid harmful to livestock.Worldwide, swainsonine is produced by a small number of species, most of them in three genera of the flowering plant family Fabaceae: Oxytropis and Astragalus in North America, [1] and Swainsona in Australia.
According to the Plant List and Plants of the World Online, H. lanatum and H. maximum are both accepted names, the latter with no infraspecific taxa. [13] [20] [a] On the other hand, neither are recognized as accepted names by either the ITIS or NPGS. Besides H. lanatum and H. maximum, various scientific names have been attributed to this ...
Not only is wild parsnip harmful to humans, but it can also wipe out entire sections of native plants. See the wild parsnip: Should you come in contact with wild parsnip, the Center for Disease ...
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 ...
Herbivory is of extreme ecological importance and prevalence among insects.Perhaps one third (or 500,000) of all described species are herbivores. [4] Herbivorous insects are by far the most important animal pollinators, and constitute significant prey items for predatory animals, as well as acting as major parasites and predators of plants; parasitic species often induce the formation of galls.
Weed killers or herbicides are made with chemicals that can be harmful to people, wildlife, and the environment. There are several factors to consider before you start applying herbicides ...
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