Author:Philip E. Hyatt Revision as of 20:34, 27 May 2020 by imported>Volume Importer(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Contents 1 Affiliation 1.1 Institution 1.2 Location 2 Treatments Affiliation Affiliation information has been provided by Volume 19-20-21. Institution USDA Forest Service Location Atlanta, GeorgiaTreatments SSonchus Sonchus arvensis Sonchus arvensis subsp. arvensis S cont.Sonchus arvensis subsp. uliginosus Sonchus asper Sonchus oleraceus S cont.Sonchus palustris Sonchus tenerrimus