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Photographer: Ted Bodner
Source: Southern Weed Science Society
Cover photo:

Japanese climbing fern

Lygodium japonicum

Origin: Asia

Impact: Japanese climbing fern is an invasive climbing fern that is changing the landscape of East Texas. Introduced as an ornamental, it has escaped and is now rapidly spreading across the forested areas of Eastern Texas smothering native trees and shrubs. At least 15 new East Texas counties have reported the presence of this fern since 2005. Not only does it impact native vegetation directly, but is a significant fire hazard. The dead fern fronds serve as a fire ladder to carry fire to the crown of trees.

Please report any infestations of Japanese climbing fern you observe, particularly in counties not highlighted on the distribution map.

Texas Distribution Map of Japanese Climbing Fern

Learn More: Species Profile.

Report Form


*** ATTENTION! *** THIS FORM IS CURRENTLY NOT WORKING. We are working to get it up and going again ASAP. In the meantime, please email your information and picture to

If you have spotted Lygodium japonicum (Japanese climbing fern), use this report form to send an email to the appropriate authorities. All fields marked with an asterisk (*) are required.

Your Name*


Phone Number*

Street Address*



Zip Code*

Location of Observation*
Enter Latitude and Longitude in decimal degrees or Click the Choose Location button and navigate to the point where the specimen was observed on the Google Map to automatically enter Latitutde and Longitude.

Latitude: Longitude:

Did You Collect a Specimen?*
Yes or No.

Host Plant
If applicable, what is the host plant?

Comments: Describe the species, impact, infestation or generally what you are seeing.

Image Upload*
Please upload a photo of the specimen or the site where the specimen was seen. Image file must be a .jpg, .gif or .png format.