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Much like the pet trade, plant nurseries and plant shipping has helped spread many invasive organisms including the plants themselves (depending on their adaptability to their new homes), carnivorous worms, amphibians, insects, fungi, disease, viruses, and even unintended plants who's seeds or root fragments may have ended up in the potting soil of the intended plant.
In addition to invasive flat worms, "Other invasive species that are likely to have arrived in the pot plant trade include:
Rosemary Leaf-beetle
Spanish Slug
Lily Beetle
Oak Processionary Moth
Asian Hornet
Harlequin Ladybird
Three-lined Balkan Slug
Yellow and green cellar slugs"
PotWatch "is a campaign to highlight how importing potted plants can accidentally establish invasive species in the UK.
We are particularly concerned about the invasion of non-native flatworms, and we need your help to find out just how far they have spread."
Don'tMoveFireWood "Transporting firewood long distances can spread harmful forest pests. ... U.S. Customs and Border Protection encourages campers to burn firewood where you obtain it, and avoid moving unburned firewood." This resource includes a Firewood Map and page with various firewood finding options.
No Mueva La Leña "Si mueves leña, puedes accidentalmente trasladar contigo plagas, insectos y enfermedades que matan a los árboles. Asegúrate de comprar leña donde la vas a quemar, y no la traigas contigo. Cuando vayas de viaje, de camping, de cacería o de pesca, protege a los bosques y a los árboles usando leña local.
Mientras estés aquí, mira nuestra Mapa de leña o visita nuestra Preguntas Frecuentes. Encuentre nuestros recursos en español como carteles y folletos y mas." (Also in English)
South Carolina
Bradford Pear Bounty "Bradford pears are not native to the U.S. and have been widely planted in South Carolina for years. While the blossoms are pretty, they have a pungent odor and the trees often break during storms. Even worse, Bradford pear trees directly contribute to one of the worst invasive plant species in the Southeast – the Callery pear. This program will give homeowners the option to remove Bradford pears and replace them with native trees. Doing so will help reduce the amount of seed that can grow into Callery pears and will help diversify the urban landscape.
Property owners are encouraged to exchange up to five (5) Bradford Pear trees for an equal number of FREE, healthy, native, young replacement trees, a one-for-one replacement."
South Carolina
Bradford Pear Bounty "Bradford pears are not native to the U.S. and have been widely planted in South Carolina for years. While the blossoms are pretty, they have a pungent odor and the trees often break during storms. Even worse, Bradford pear trees directly contribute to one of the worst invasive plant species in the Southeast – the Callery pear. This program will give homeowners the option to remove Bradford pears and replace them with native trees. Doing so will help reduce the amount of seed that can grow into Callery pears and will help diversify the urban landscape.
Property owners are encouraged to exchange up to five (5) Bradford Pear trees for an equal number of FREE, healthy, native, young replacement trees, a one-for-one replacement."