Southern Blackberry – Native Plant of the Day 12/26/2016
Photo from 5/26/2008.  Location: Grundy County, TN.
More photos / info at the Rubus argutus detail page.

Sawtooth Blackberry, Southern Blackberry – Rubus argutus

Also NPOD 09/30/2010, 09/30/2011, 09/30/2012, 09/30/2013, 12/26/2014, 12/26/2015