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From: molino, FL
Region: Southeast
Topic: Vines
Title: Identity of a thorny vine in Florida
Answered by: Jimmy Mills
Identifying plants from a description can be difficult if not impossible ,but Mr. Smarty Plants thinks this could be cat briar Smilax bona-nox (saw greenbrier) which is distributed across the Southeastern US, or one of its siblings in the genus Smilax.
We're going to try a two step approach: first, I've found some websites with descriptions and images of this plant. Check these out to see if your plant resembles any of the images.
The second step is for you to visit the Ask Mr. Smarty Plants Plant Identification page to read instructions for taking and submitting photos of your plant for identification.
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