Keywords: Proserpinaca pectinata NRCS-2.png en Proserpinaca pectinata Lam - combleaf mermaidweed 1991 http //plants usda gov/gallery/pubs/prpe_003_pvd tif USDA-NRCS PLANTS Database / USDA NRCS Wetland flora Field office illustrated guide to plant species USDA Natural Resources Conservation Service Mark Mohlenbrock USDA NRCS Wetland flora Field office illustrated guide to plant species USDA Natural Resources Conservation Service Provided by NRCS National Wetland Team Fort Worth TX PD-USGov Uploaded with UploadWizard Proserpinaca pectinata Wetland flora Field office illustrated guide to plant species |