Rubus argutus Link.
Engl.: sawtooth blackberry, prickly Florida blackberry.

The Medical Flora of Kansas: Rhus - Scutellaria.

Botanical name: 
Scutellaria lateriflora
Rudbeckia laciniata
Rubus strigosus
Toxicodendron radicans
Rhus aromatica
Rhus glabra
Rubus allegheniensis
Rubus argutus
Rubus canadensis
Rubus trivialis
Rumex acetosella
Rumex crispus
Sabatia campestris
Salix nigra
Salvia azurea
Sambucus nigra
Sanguinaria canadensis
Sanicula marilandica
Sassafras albidum
Scrophularia marilandica
Toxicodendron pubescens

Classic texts: Journals: TNEMA 1882-1883.