NAS - Nonindigenous Aquatic Species
Neel, M. (director), J. Hall (curator), and N. Anderson. 2014. Norton-Brown Herbarium (MARY). University of Maryland, College Park, MD. http://www.nbh.psla.umd.edu/.
Reference Number: 13276
Author: Neel, M. (director), J. Hall (curator), and N. Anderson.
Date (year): 2014
Title:Norton-Brown Herbarium (MARY)
Publisher:University of Maryland
Publisher Location:College Park, MD
Keywords: Maryland, Myriophyllum, Egeria, Hydrilla, Iris, Spirodela, Nasturtium, Lythrum, Marsilea, Nymphoides, Najas, herbarium
Aldrovanda vesiculosa VA - Lake at Fort A.P. Hill VA - Meadowcreek Pond. Fort A. P. Hill TA07A [Training Area 07-Alpha] East of VA State Route 2
Alternanthera philoxeroides MD - Duck Pond Park
Callitriche stagnalis MD - Beltsville, just SE, in a brook MD - National Agricultural Research Center MD - Beltsville (Stream?)
Egeria densa MD - Green Pond MD - Green Pond MD - Edge Creek Bar off Alberta Cove MD - Blue Pond
Hydrilla verticillata [monoecious] MD - Reservoir on Conococheague Run MD - Lake Habeeb. Rocky Gap State Park
Iris pseudacorus MD - Town of Severna Park, Cypress Creek, bog at the head of creek near Ritchie HWY and Rte 2 MD - Camp Catoctin, Tower Rd. off Mink Farm Rd, in water near edge of pond MD - Vienna, 0.2 mi S of, on Vienna Henry's Crossroad, in marsh adjacent to unnamed tributary to Nanticoke River MD - Elk Neck State Park MD - Braddock Mtn, pond edge, Rte 5 and US 40A W of Frederick DC - Washingtion D.C., inland stream on lower end of Theodore Roosevelt Island OH - Tifton, near (entered as Thrifton per CJ) CT - The Meadows floodplain of the Connecticut River along Meadow Rd, Rocky Hill nr Wethersfield NC - Cranberry, marsh VA - Old Dominion car tracks between North Stafford and North Stuart Sta. MD - Elliott Island, along Wharf Road, 0.1 miles south of Elliott Island Road, at edge of salt marsh
Landoltia punctata LA - cypress swamp/sugar cane field margin, near Kraemer, on LA 307, 2.6mi N of Rte 90 FL - scrub woodlands along the roadsides and near ponds, Along Co. Rd 17, 0.5 mi S of FL Hwy 70, about 2 miles N of entrance to Archbold Biological Station, S of Lake Placid and N of Venus VA - Dillon Marina, cypress swamp along Chicka-hominy River, E of Providence Forge, Rte 1103 (spur of Rte 650)
Lythrum salicaria MA - Arnold Arboretum MA - Lee, alond W side of Road half way between US Rte 7 and Devon Rd NY - Alden, located at SW corner of intersection of US Rte 20 and Two Rod Road CT - Stonington, near Mystic, S side Rte 1 near Latimer's Point, near railroad behind UFW building ME - Alfred RI - Chapman Pond, Chapman Fishing area just E of Rte 78, westerly MA - Fowl Meadow, swamp,Canten OR - Cheshire, approx. 5 airline miles NW of, along High Pass Rd, 5.2 miles W of its junction with the territorial HWY, in a creek; T15S, R6W, Sec. 35 MD - Northeast River at Seneca Point, approx. 0.5 miles SW of Charlestown, on sandy beaches and under the deciduous forest canopy immediately adjacent to the beach MD - swamp at border of North East River, North East Heights MD - Marks Wildlife Management Area
Marsilea mutica SC - Medinah Drive half block from Silver Bluff Road, Aiken
Murdannia keisak GA - High Falls State Park, a mile and a half off I-75 at exit 65, on High Falls Rd, on Pioneer Point on edge of lake SC - Chau-Ram County Park, Westminster, Rte 76, confluence of Chauga River and Ramsey Creek MD - alluvial swamp just North of Patuxent River at Brock Bridge Rd, just N of the river near a suburban airport MD - Cheltenham Wetlands Park (Acres Recreational Park?), Piscataway Creek at the Commo Rd bridge SC - Coneross Creek, ca. 2000 ft from existing dam to the power station (below power station)
Myriophyllum aquaticum LA - Bayou de Siard, margins of; along US 165, 0.7mi S of jct of LA 134 and US 165; Sec. 16, T19N, R4E MD - Furnace Creek, W of Richie Hwy, NE of Glen Burnie NC - Pond on McLawhorn Farm, Co. RT. 1704, 0.5 miles E of US 264 by-pass MD - Aberdeen, 3 mi E, ditches along Rte 40
Myriophyllum spicatum MD - Delario Bay, Worton Creek Spit MD - Betterton, mouth of Sassafras River MD - Seven Locks, Chesapeake and Ohio Canal MD - Chesapeake and Ohio Canal, 1 mi N or Cabin John MD - Muirkirk, Twin Ponds MD - Muirkirk, Twin Ponds MD - Wicomico River, S bank off second point above buoy C13 MD - Wicomico River, mouth of; St. Catherine's Sound MD - Choptico Bay, S side, near jct with Wicomico River MD - Venice on the Bay, small barrier pond, SE of Fort Smallwood on Patapsco River MD - Saltpeter Creek at tributary to Gunpowder River MD - Junction of Saltpeter Creek and Gunpowder River MD - Biddison's landing on Dundee Creek (near head), a tributary to Gunpowder River MD - Allens Fresh, near eastern most of 2 Hwy bridges MD - Wicomico River, near west Hatton point MD - Allens Fresh, near eastern end of two HWY bridges MD - Allens Fresh MD - Allens Fresh MD - Herring Creek, a cove, near Tall Timbers MD - Lowes Point, salt marsh, 10 mi W of St. Michaels NC - Alligator River, Ft. Landing GA - Lake Seminole, Island Point Access Area MD - Town Creek MD - Town Creek MD - Town Creek MD - Lagoon of Potomac River near base of Peninsula, near Prince Georges County line MD - Chesapeake Bay at Andelot Farm Andelot Farm near Worton
Najas marina MI - Silver Lake. At boat launch
Najas minor MD - Patuxent River at Route 4 bridge, Waysons Corner near Mill Creek MD - Lake Habeeb. Rocky Gap State Park MD - Town Creek MD - Bohemia River. Kayak put-in on the Bohemia River beside the bridge MD - Elk River near the boat ramp at Elk Neck State Park MD - Lake Artemesia
Nasturtium officinale MD - Baltimore, ditch southwest of city MD - creek that is adjacent to Lanberton Dr., 200 ft before road ends [Silver Spring] MD - Woodend Nature Center, Chevy Chase MD - Chevy Chase, dead end of Susanna Lane near a freshwater spring MD - Patapsco State Park, Abrutus, stream MD - Owen's Creek at Eagle Int. MD - Owen's Creek, near Thurmont, south from Eagle Mtn, Catoctin Mtns MD - Hood College Campus MD - Chewsville, creek bottom MD - roadside ditch, Rt. 144 SE of Orchard Rd NC - Nantahala Gorge, Beechertown on US19 NC - UNC campus, marshy area near a small creek behind Hinton James dorm CT - Collier Swamp, Wethersfield, S end, near golf course, off Collier Rd MA - Gay Head, on state road 1/4 mi past the town line MI - Indian River MD - Potomac River, at Great Falls MD - College Park, along stream
Nitellopsis obtusa MI - Upper Crooked Lake NY - Lake Ontario, Association Island Marina NY - Keuka Lake Outlet canal MI - Gunn [Gun] Lake MI - Gull Lake
Potamogeton crispus NV - Truckee River, small associated canal, under bridge of US HWY 40, SE of Wadsworth MD - In the C. and O. Canal across from Herzog Island MD - Chesapeake Bay at Andelot Farm Andelot Farm near Worton MD - Elk River near the boat ramp at Elk Neck State Park MD - Gunpowder Falls Sweet Air Area. Little Gunpowder Falls Branch
Salvinia minima FL - Co Rd 17, 0.5 mi S of FL Hwy 70, about 2 mi N of entrance of Archbold Biological Station, S of Lake Placid and North of Venus
Trapa natans VA - Potomac River, S of Alexandria MD - Urieville Mill Pond
The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.
Citation information: U.S. Geological Survey. . Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/3/2022].
Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.
For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.