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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 ...
The damage they do results both from the direct injury they cause to the plants and from the indirect consequences of the fungal, bacterial or viral infections they transmit. Plants have their own defences against these attacks but these may be overwhelmed, especially in habitats where the plants are already stressed, or where the pests have ...
Goatsrue is a noxious weed that has a low distribution in Washington, but is on Washington’s quarantine list due to its fatal symptoms. If any part of the weed is ingested it can be fatal, and ...
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.
Laetiporus sulphureus is a species of bracket fungus (fungi that grow on trees) found in Europe and North America. Its common names are sulphur polypore, sulphur shelf, and chicken-of-the-woods. Its fruit bodies grow as striking golden-yellow shelf-like structures on tree trunks and branches. Old fruitbodies fade to pale beige or pale grey.
Because of this, wildlife expert Richard Green, from Kennedy Wild Bird Food, is sharing how Brits can help robins and other garden birds simply by putting their Christmas dinner leftovers to good use.
The seeds and leaves are mildly poisonous for people and animals, but are readily eaten by birds. [181] Rhododendron spp. azalea: Ericaceae: All parts are poisonous and cause nausea, vomiting, depression, breathing difficulties, and coma, though it is rarely fatal.
Some prefer it to chicken because it packs more protein. "People have been eating iguanas since at least 10,000 years ago, when humans reached the New World tropics. It was a readily available ...