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  2. Feral cannabis - Wikipedia

    en.wikipedia.org/wiki/Feral_cannabis

    Feral cannabis is an exceptionally hardy weed, widely dispersing its seeds which can lie dormant for 7–10 years before sprouting again. [4] In Minnesota, hemp is classified among the 11 "noxious prohibited weeds" along with several species of thistle, and noted for damaging farmers' plowing equipment. [5]

  3. Impatiens capensis - Wikipedia

    en.wikipedia.org/wiki/Impatiens_capensis

    Impatiens capensis, the orange jewelweed, common jewelweed, spotted jewelweed, jewelweed, [3] spotted touch-me-not, or orange balsam, [4] is an annual plant in the family Balsaminaceae that is native to North America. [5]

  4. Fallopia convolvulus - Wikipedia

    en.wikipedia.org/wiki/Fallopia_convolvulus

    Black-bindweed is a herbaceous vine growing to 1–1.5 m (39–59 in) long, with stems that twine clockwise round other plant stems. The alternate triangular leaves are 1.5–6 cm long and 0.7–3 cm broad with a 6–15 (–50) mm petiole; the basal lobes of the leaves are pointed at the petiole.

  5. Locoweed - Wikipedia

    en.wikipedia.org/wiki/Locoweed

    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.

  6. Matricaria discoidea - Wikipedia

    en.wikipedia.org/wiki/Matricaria_discoidea

    Matricaria discoidea, commonly known as pineappleweed, [3] wild chamomile, disc mayweed, and rayless mayweed, is an annual plant native to North America and introduced to Eurasia where it grows as a common herb of fields, gardens, and roadsides. [4] It is in the daisy family Asteraceae. The flowers exude a chamomile/pineapple aroma when crushed ...

  7. Lactuca serriola - Wikipedia

    en.wikipedia.org/wiki/Lactuca_serriola

    Lactuca serriola is the wild progenitor of cultivated lettuce (Lactuca sativa) and can be affected by lettuce downy mildew, one of the most serious diseases of lettuce. [12] L. serriola has shown resistance to the plant pathogen Bremia lactucae , the cause of the disease. [ 12 ]

  8. Common weed can cause painful rash - AOL

    www.aol.com/lifestyle/2016-06-30-common-weed-can...

    The weed became familiar throughout the country when the KCCI 8 Iowa News Facebook page posted this video, now with over five million views: Wild parsnip is yellow and resembles a wildflower. When ...

  9. Bryonia alba - Wikipedia

    en.wikipedia.org/wiki/Bryonia_alba

    Bryonia alba (also known as white bryony or wild hop) is a vigorous vine in the family Cucurbitaceae, found in Europe and Northern Iran. It has a growth habit similar to kudzu , which gives it a highly destructive potential outside its native range as a noxious weed.