Days are numbered in Pennsylvania for popular but invasive landscaping tree - pennlive.com
Callery Pear (Pyrus calleryana)
Callery pear tree is labeled as invasive species in Ohio
/cloudfront-us-east-1.images.arcpublishing.com/dmn/I3O7VEUJ6EMSTA6ZHFLFW5OOLY.jpg "Callery pear tree: How to manage an invasive former favorite")
Callery pear tree: How to manage an invasive former favorite
Gardening: Invasive Bradford pear trees a threat to landscape, gardens
Outdoors: And a problem with a pear tree... | The Blade
Avoid planting invasive trees such as the Bradford pear | Missouri Department of Conservation
The problems with Callery pear trees and why they're illegal in Ohio
The future of Callery (Bradford) pear and our environment : Sycamore Land Trust
Callery pear trees are a menace to the Kentucky garden
April 2021 Invasive Plant of the Month — State of Indiana Cooperative Invasives Management
NC Bradford Pear Bounty | NC State Extension
Callery pear - WIGL
Callery Pear | Ohio Department of Natural Resources
Why you shouldn't grow Callery/Bradford Pear Trees – GrowIt BuildIT
Bradford Pear | University of Maryland Extension
Callery pear trees invasive in the Midwest, invading Hoosier forests
Triangle Land Conservancy - Species Spotlight – The Invasive Callery Pear
Callery Pear on List of Species Illinois Assessing as Invasive. Here's What That Means | Chicago News | WTTW
Why You Should Cut Down Bradford Pear Trees — Nashville Tree Conservation Corps
Can you spot the fraud? Virginia Department of Forestry wants you to report invasive pear tree sightings | WRIC ABC 8News
Callery pear - Invasive Plants Association of Wisconsin
Bradford pears and other Callery trees are out of control in the Midwest. Here's how to help. | KCUR - Kansas City news and NPR
Ohio to ban planting and sale of Callery Pear tree, with its bad smell, in 2023
Bradford pear trees are highly invasive but not banned in Indiana
