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Endangered Plant and Animal Species

These are plant or animal species existing in such small numbers that they are in danger of becoming extirpated; this includes species that are in jeopardy as a result of human activity. A principal factor in the endangerment or extirpation of a species is the destruction or pollution of its native habitat. Other factors include overhunting, intentional extermination, and the accidental or intentional introduction of alien or invasive species that outcompete the native species for environmental resources.


A plant species believed to be native to Indiana with five or fewer occurrences in Indiana or that is otherwise currently at the brink of extinction.


A plant species believed to be native to Indiana with six to 20 occurrences in the state, or that is of conservation concern, or that is otherwise likely to become endangered within the foreseeable future.

Submit Data to INHDC

We are constantly striving to improve our data sets and to incorporate all information available on threatened and endangered species of Indiana. We incorporate survey information from a variety of sources including state and federal agencies, non-profit conservation groups, independent contractors, and private organizations.

If you have information on any of these species (see our species’ lists above) and would like to submit a sighting report contact us ( If you have existing photos with a GPS location to upload or would like to map locations online, you can add observations to our iNaturalist Rare Species of Indiana project.

We also accept digital datasets (databases, spreadsheets, GIS files, etc). If you notice any errors or have any questions regarding the Rare Species of Indiana lists or this web site, please contact us.

The Indiana Natural Heritage Data Center

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