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Dermanyssus gallinae (also known as the red mite) is a haematophagous ectoparasite of poultry.It has been implicated as a vector of several major pathogenic diseases. [1] [2] Despite its common names, it has a wide range of hosts including several species of wild birds and mammals, including humans, where the condition it causes is called gamasoidosis.
It is present in Europe and Asia as an introduced species, and it is known as a common weed in many regions. [3] Its common names include great ragweed , Texan great ragweed , giant ragweed , tall ragweed , blood ragweed , perennial ragweed , horseweed , [ 4 ] buffaloweed , and kinghead .
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.
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.
Goatsrue, a federally listed noxious weed and toxic to humans and animals if ingested, has been identified in Whatcom County. Standing 4 feet to 6 feet tall with white or purple pea-like flowers ...
Striga, commonly known as witchweed, [1] is a genus of parasitic plants that occur naturally in parts of Africa, Asia, and Australia. It is currently classified in the family Orobanchaceae, [2] although older classifications place it in the Scrophulariaceae. [3]
A 1917 article on edible weeds stated that pokeweed shoots were popular in Pennsylvania, "tied in small bundles, boiled the same way as asparagus, and served with cream sauce or melted butter." [39] The roots are poisonous, as are mature leaves and stems. [11] Some festivals still celebrate the plant's use in its historical food preparations.
The type of weed will clue you in on when to apply weed killer to the lawn. ... Weed killers or herbicides are made with chemicals that can be harmful to people, wildlife, and the environment ...