How to avoid poison oak in California Justin Valliere, an assistant cooperative extension specialist at UC Davis who specializes in plant sciences, said there are dangerous invasive and native ...

A sea of Sahara mustard photographed in California’s Coachella Valley in 2005, a boom year for this invasive plant. Image by Cameron Barrows/University of California, Riverside.

2. Giant Reed 'Giant reed grass, or Arundo donax, is also listed as an illegal noxious weed in California and Texas, and considered invasive in several other states,' continues Kevin.

Invasive weed threatens Southern California's deserts Saharan mustard disrupts desert plant diversity, weakens recovery from climate swings Date: April 25, 2025 Source: University of California ...

Knotweed, an invasive herb, and bittersweet vine, a plant that weighs down branches and in worst-case scenarios uproots the tree, are among the smorgasbord of plants goats will consume.

Knotweed, an invasive herb, and bittersweet vine, a plant that weighs down branches and in worst-case scenarios uproots the tree, are among the smorgasbord of plants goats will consume.

Knotweed, an invasive herb, and bittersweet vine, a plant that weighs down branches and in worst-case scenarios uproots the tree, are among the smorgasbord of plants goats will consume.

Department of Water Resources scientist Brianne Sakata, center, works with California State Parks staff to collect invasive golden mussels from buoys in O’Neill Forebay in Merced County in ...

Knotweed, an invasive herb, and bittersweet vine, a plant that weighs down branches and in worst-case scenarios uproots the tree, are among the smorgasbord of plants goats will consume.

Sponsored by UC Cooperative Extension, the University of California Marin Master Gardeners provides science- and research-based information for Marin home gardeners. Email questions to helpdesk ...

These beauties are known as creeping bellflower (Campanula rapunculoides). They are very aggressive and are listed as noxious weeds or invasive plants in most of the U.S. and Canada.” ...

Knotweed, an invasive herb, and bittersweet vine, a plant that weighs down branches and in worst-case scenarios uproots the tree, are among the smorgasbord of plants goats will consume.