Department of Water Resources scientist Brianne Sakata, center, works with California State Parks staff to collect invasive ...

Identifying features include: Like other thistles, bull thistle is armed with a great number of spines that can and will penetrate exposed skin. For more information visit the Midwest Invasive Species ...

nutrias were released into the wild and became invasive species. They can consume up to 25 percent of their body weight but they destroy up to ten times as much, according to California Fish and ...

Lake Tahoe requiring mandatory boat decontamination after discovery of golden mussels, which are more invasive than quagga ...

Fresno County, in fact, has become the newest hot spot for these invasive rodents. Since 2023 more nutria have been taken from Fresno County than any county in California, according to CDFW data.

Alluring, like sirens, some vicious weeds produce beautiful flowers in calming purple hues. Here are the problematic blossoms you must eradicate in your lawn.

Canada thistle, a terrestrial herbaceous perennial in the Asteraceae family, is an open-land invasive that prefers disturbed upland areas as well as wet areas with water fluctuations. Canada thistle ...