Salsola tragus, often known by its synonym Kali tragus[4] is a species of flowering plant in the family Amaranthaceae. It is known by various common names such as prickly Russian thistle, [5] windwitch, or common saltwort.

Russian thistle is primarily a weed in sites where the soil has been disturbed, such as along highways and fencelines. It is also prevalent in vacant lots and other noncrop areas, in field and vegetable crops, and in poorly tended landscapes.

It is now widespread throughout western North America, including virtually all arid and semi-arid regions of California and Russian thistle infests around 100 million acres of land. Research: Russian thistle is an exotic weed species and is a good candidate for biological control.

Kochia (Kochia scoparia L.) and Russian thistle (Salsola tragus L.) are troublesome annual weeds of rangelands, pastures, fields, disturbed areas, gardens, roadsides, ditchbanks, and small acreages. Both species are non-native to the United States.

Russian thistle is a common name that can refer to: Echinops exaltatus, also known as Russian globe thistle, is a globe thistle native to Eurasia and an invasive species in Eastern Canada and Northern United States.

Russian thistle, (Salsola spp.) also known as tumbleweed, is a summer annual native to southeastern Russia and western Siberia and was first introduced into the United States in the late 1800’s as a

Removing native plant cover from a yard or building site is often followed by an infestation of Russian thistle. The dried plants are very flammable and increase the risk of wildfire. Avoiding soil disturbance and maintaining healthy plant cover are keys to decreasing infestations.

Origin and distribution: Russian-thistle is a native of Russia that was introduced into South Dakota in flax seed in the mid 1870s. It presently occurs throughout the United States and southern Canada, except in the Deep South. In Eurasia its range extends from China through most of Europe and into North Africa.

Russian thistle seedlings have long, needle-like leaves. Russian thistle is the classic tumbleweed of the western states. Leaves on mature Russian thisle resemble spines and are source of the thistle name.

2024年6月22日 · Russian thistle is a densely branched plant from an extensive root system. Young plants have soft, long, string-like leaves. As the plant matures, leaves become short and scale-like, with a sharp spine at the tip.