Leaves: basal (grow from the lowest part of the stem), often described as spoon shaped. In pastures and meadows it can form dense stands which can outcompete native flora and may reduce the diversity of natural vegetation or pasture quality.

Shasta daisy is a sterile cultivar of Oxeye daisy; however, it can revert to become fertile, as well as cross-breed with oxeye daisy to produce an invasive hybrid. L. vulgare is a perennial native to Europe and western Asia which has been introduced widely around the world.This species is reported as being invasive in the USA, Canada, India, New Zealand and Australia.
Leucanthemum vulgare (oxeye daisy) is a perennial forb/herb (family Asteraceae). It is commonly sold at nurseries.

Appearance Leucanthemum vulgare is an invasive perennial that can reach from 1-3 ft. (0.3-1 m) in height. The oxeye daisy (Leucanthemum vulgare) hails from Europe and Asia, and is considered an invasive species throughout North America, especially in pastureland and on grain farms. Oxeye daisy decreases crop yields and is a weed of 13 crops of 40 countries. Oxeye daisy is found in both the North Coast Range and northern Sierra Nevada from sea level bluffs and canyons to alpine mountain meadows at 7,000 feet (2200 m), and from central California to Oregon.

Flowers: white petals surrounding a bright yellow centre. A single plant can produce from 1-40 flowering stems. It is a particular problem in pastures. ing invasive ornamentals. It out competes native plants and can carry crop diseases. Oxeye daisy was changed from a Class B to a Class C noxious weed in 2013.

Oxeye daisy is a small perennial and our largest native member of the daisy family. Summary of Invasiveness Top of page. Control: Grazing: Oxeye Daisy is avoided by cattle and therefore capable of dominating pas-tures and rangeland. References.

Horses, sheep and goats, however, will readily graze oxeye daisy and can be used in companion grazing situations to control oxeye daisy. Oxeye daisies should be reported. If your Shasta daisy begins to spread by seed or roots and is escaping from ornamental plantings, it should be removed (Alberta Agriculture and Forestry). Oxeye daisy is found in disturbed fields and meadows.

What does oxeye daisy look like? They grow in solitary heads and are around three to five centimetres wide. Ox-eye daisy is also an environmental weed in Kosiosko National Park where it has invaded subalpine grasslands, snowgum woodlands and wetlands. (2.5-10 cm) long, toothed (or lobed) and decrease in size closer to the apex of the stem. It is commonly sold at nurseries.
The Minnesota Department of Natural Resources provides detailed recommendations for reporting invasive species. Foliage Leaves are 1-4 in. Each plant can produce up to 26,000 seeds and it can also grow from rhizome fragments. Leucanthemum vulgare In: Invasive Species Compendium. Switching to higher stock densities and shorter graz- CABI, (2017). Oxeye daisy is an invasive species.