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Frequently Asked Questions
Review our frequently asked questions to become more familiar with the in's and out's of the iMapInvasives database. If you have additional questions which are not answered by our FAQs, please contact us.
Read through our collection of quarterly newsletters to familiarize yourself with the tools available in iMapInvasives, read stories of how people are putting iMapInvasives to use, and much more!
Water chestnut nutlets (Trapa natans)
Photo credit: Conewango Creek Watershed Association
Do you need assistance on how to use the tools available in iMapInvasives? If so, check out our reference guides which show various way you can enter your invasive species data and highlight info on email alerts and querying capabilities. Printable field forms are also available.
As of November 2016, the Pennsylvania iMapInvasives database tracks data on 300 invasive species. Find out which species are currently being tracked and become aware of the species considered Early Detection and High Priority in Pennsylvania.
Flowering rush (Butomus umbellatus)
Photo credit: © Nigel Burkitt/Flickr
Meet the individuals and organizations that comprise the iMapInvasives Network, a partnership of dedicated conservation professionals representing nine U.S. states and one Canadian province.
Gallery of Invaders
Learn about some of the invasive species invading Pennsylvania as well as others found in nearby states by reviewing species profiles provided by "Pennsylvania's Field Guide to Aquatic Invasive Species (2015)" and the "Mid-Atlantic Field Guide to Aquatic Invasive Species".
Yellow-bellied slider (Trachemys scripta scripta)
Photo credit: © Lars K/Flickr
Invasive Here but not There
Several species in Pennsylvania are known to be both native in parts of the state as well as invasive in other parts. Find out more about these species and view maps of their native and invasive ranges.
Be on the Lookout!
Invasive species are constantly on the move, entering new areas where they previously did not exist before. If you spot any of these priority species in Pennsylvania, report your findings to iMapInvasives so that the appropriate officials may be notified.
Asian longhorned beetle (Anoplophora glabripennis)
Photo credit: © Hugo Darras/Flickr
Learn why certain invasive species are considered noxious weeds, which species are on the noxious weed list in Pennsylvania as well as the United States, and where you should report your sightings of noxious weeds to.
Purple loosestrife (Lythrum salicaria)
Photo credit: © Ellie Buick/Flickr
Are you interested in learning more invasive species? If so, take a look at the following publications to help increase your knowledge on this topic. Published materials include books, field guides, journal articles, and management plans.
Clean Your Gear
By properly cleaning and disinfecting boats, gear, and related items that come in contact with invasive species, you can do your part by preventing their spread to new areas. Guidelines outlined here are provided by Pennsylvania Sea Grant and the Pennsylvania Natural Heritage Program.
Photo credit: Lake George Association
Collecting a Specimen
The collection of plant specimens is important for all biological studies in Pennsylvania, and for purposes of iMapInvasives, is an integral part of the confirmation process for certain species as well as for findings of new state and county records.
Photo credit: The New York Botanical Garden
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