![]() Their unwelcome presence can destroy ecosystems and cost millions of dollars. Encroachment by invasive species invasive speciesĪn invasive species is any plant or animal that has spread or been introduced into a new area where they are, or could, cause harm to the environment, economy, or human, animal, or plant health.Urbanization: Development may reduce available habitat for the plant.Collections used for research are permitted by the Service and are limited to quantities of plant parts that are believed to be insignificant and will not jeopardize any population. ![]() The Service does not believe overcollection of this species is a danger to populations at this time. Collection/poaching: While some species are collected and sold for medicinal purposes, others are collected for horticultural uses.Highway right-of-way maintenance: Herbicide application or mowing from May through September, during flowering and fruiting stages, sets back the plants’ ability to thrive in the wild.Without fires, the woody plant species create shade and compete for space and nutrients and limit the growth of smooth coneflower.Smooth coneflower is threatened by fire suppression and habitat destruction resulting from highway construction, residential and commercial development, as well as maintenance activities in roadside and utility rights of way.Smooth coneflower is a sun-loving herb that depends on periodic fires to reduce the shade and competition of woody plants. Echinacea is a group of herbaceous flowering plants with nine species, known as coneflowers for their iconic high dome, or cone-shaped seed head. It is not to be confused with its close relative and commercially available purple coneflower, Echinacea purpurea, both within the Asteraceae/Compositae (aster) family. Smooth coneflower is a perennial herb that will live for more than two years. Range: Virginia, North Carolina, South Carolina and Georgia Previously Used Scientific Names: Echinacea purpurea (Linnaeus)
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