Native to Europe, goatsrue is found in wetlands, along waterways and roads, in pastures, and cropland.
Native to Eurasia, giant reed is a weed in waterways and wetlands, disturbed sites, and garden edges.
It thrives in shady sites, and can form dense stands.
Native to Eurasia, elongated mustard is a weed of disturbed sites and roadsides.
An herbaceous, taprooted biennial or short-lived perennial, with hollow, branching stems, that grows about 1 1/2 feet tall.
St Johnswort invades areas with sandy or gravelly soils.
A rhizomatous, thorny, highly branched herbaceous perennial that grows up to 4 feet tall.
A rhizomatous woody perennial that grows up to 3 feet tall on multiple branches.
Spring milletgrass is an annual that grows 2 1/2 feet tall, with drooping, upright or spreading stems.
Small bugloss is a branching, leafy annual covered with stiff hairs that grow 1-3 feet tall.