Species:
Marshpepper Knotweed (Persicaria hydropiper) (Species ID: 3547) - View Species | Quad Details 
Date: 7/28/1937
Quad: Laurel (39076_A7)
County: Prince George's
Records: 23 total records, 8 for Prince George's Co., 4 for Laurel Quad
Observer: Patuxent Research Refuge Plant Inventory Project
Specimen: Yes
Publication: No
Processed by: Mike Ostrowski