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Pennsylvania Flora Database. 2011. Pennsylvania Flora Project. Morris Arboretum at the University of Pennsylvania (MOAR), Philadelphia, PA. http://www.paflora.org.
Reference Details:
Reference Number: 10518
Type: Database
Author: Pennsylvania Flora Database.
Date (year): 2011
Title:Pennsylvania Flora Project
Publisher:Morris Arboretum at the University of Pennsylvania (MOAR)
Publisher Location:Philadelphia, PA
URL: http://www.paflora.org
Accessed on:
Created on:
Keywords: Pennsylvania, Myriophyllum, Lobelia, Glossostigma
Species Profiles and Specimens that use this Reference:

Butomus umbellatus

    PA - Elk Creek, 20 mi W of Erie along Lake Erie at mouth
    PA - Elk Creek, mouth
    PA - Elk Creek, mouth
    PA - Elk Creek, near mouth
    PA - Presque Isle, near old police barracks-administration building
    PA - Presque Isle State Park, on trail from Budny Beach parking lot to Thompson Bay
    PA - Presque Isle State Park

Cabomba caroliniana

    PA - Harveys Lake
    PA - Bristol, 4.8 km N; Black Ditch
    PA - Queen Anne Station (Unable to locate)
    PA - New Castle, int of Rt 338 and 422, ca 4 mi SE
    PA - Conneaut Lake. 116 deg & 1.85 mi from center of Meadville jct
    PA - Nesquehoning
    PA - Conneaut Lake, W side

Callitriche stagnalis

    PA - Tacony
    PA - Morris Arboretum
    PA - Reading, 2 blocks N of Car Barns
    PA - Osterburg, 1.25 mi NW
    PA - Edgely, branch of Mill Creek at Green Lane, ca 1 mi WNW
    PA - Eagle, 2 mi NE
    PA - Church Hill, just W

Egeria densa

    PA - Broomalls Lake, near Media
    PA - Fairmount Park
    PA - Haverford, 0.25 mi W
    PA - Bristol, 2.4 km NW

Glossostigma cleistanthum

    PA - Lake Galena, north and south shores.Peace Valley Park, county park west of Doylestown.
    PA - Lake Galena, north side near dam. Peace Valley Park, county park west of Doylestown.

Hydrilla verticillata [monoecious]

    PA - Schuylkill River, at E side of Schuylkill between Boathouse Row & Girard Ave brg
    PA - Lake Nockamixon

Iris pseudacorus

    PA - Towanda, 8.5 mi SW
    PA - Pymatuning Swamp, near Hartstown
    PA - Sandy Lake, Stoneboro
    PA - Warren
    PA - Deer lick, near Sheffield
    PA - Pymatuning Swamp, near Hartstown
    PA - Canadohta Lake, 6 mi NW
    PA - Solebury Township, just N of Tyburn, water's edge of Pennsylvania Canal
    PA - Tullytown, W
    PA - Pymatuning Swamp, Blair Bridge Road and RR tracks
    PA - Presque Isle, in Lake Erie
    PA - Sinking Creek Valley, 1 mi SW Culp
    PA - Sharpsville, along Rt 846, 10 mi NNE
    PA - 4.5 mi S Summitt Mills
    PA - Presque Isle State Park
    PA - Yellow Creek, bottomland 2 mi ESE Loysburg
    PA - Lake Arthur, Moraine State Park
    PA - Pittsburgh, along Dithridge St
    PA - Loucks Mill, 2 mi NW

Landoltia punctata

    PA - Little Marsh, 2 mi WNW

Ludwigia grandiflora

    PA - Reading, 0.25 mi NW of mouth of Tulpehocken Creek
    PA - Reading, Cacoosing Creek, at Van Reed's about 3 mi. W of Reading
    PA - Reading, about 1 mi. below Van Reeds and 2 mi. W of Reading
    PA - Van Reed Mill, 2.5 mi. N of West Lawn
    PA - Reading, in Tulpehocken Creek, near its mouth
    PA - Media, Broomalls Dam
    PA - Gibraltar, at the mouth of Allegheny Creek, 0.4 mi. NNW of Gibraltar
    PA - Montclare, shore canal .5 mi N. of Montclare
    PA - Mont Clare, Upper Providence Twp.

Marsilea quadrifolia

    PA - Swarthmore College, .75 mi NW
    PA - Birmingham Township, slough on side of Rt 100, below Meeting House Rd
    PA - Weisel, 0.6 mi WSW

Myriophyllum spicatum

    PA - Stone Valley Lake [=Lake Perez]
    PA - Mud Lake, State Game Lands Number 214, East Fallowfield Township
    PA - Conneaut Lake, Fireman's Beach
    PA - Robbins Pond, State Game Lands Number 214, West Fallowfield Township
    PA - Conneauttee Creek, 0.1 mi E of Rd 99. .1 mile upstream from Mill Creek Dam.
    PA - French Creek, 0.9 mi S of Rt 198 bridge, Saegertown.
    PA - State Game Lands Number 213, 325 deg and 2.9 mi from int Rts 285 and 19, Vernon Township
    PA - Union City, one mile East, Fish Hatchery outlet on Rt. 6.
    PA - Delaware River, upstream from Calhoun Street Bridge, Morrisville.
    PA - Delaware River, Raubs Island.
    PA - Delaware River, near railroad bridge, 1.2 km ESE Yardley.
    PA - Glendale Lake, Prince Gallitzin State Park
    PA - Sugar Lake, north edge
    PA - Churchville Reservoir.
    PA - Presque Isle State Park, inside tip of Gull Point
    PA - Crystal Lake, Pymatuning
    PA - Churchville Reservoir.
    PA - White Oak Pond
    PA - State Game Lands Number 218, Hammett Quad., 236 deg and 1.7 mi from jct Rt 8 and township line, adjacent to the dam
    PA - Pymatuning Swamp, 0.4 mi S of Tr 285 and E of towpath, along the E side of Erie Extension.
    PA - Bedford, 1.75 mi ESE
    PA - Stone Valley
    PA - Morrisville, in in the Pennsylvania Canal, E. Trenton Ave
    PA - Delaware River, Keifer Island, above island.
    PA - Delaware River, Hendrick Island, between the island and the mainland.
    PA - Tohickon Creek, W of Rt 611, 1 mi NNW of Pipersville.
    PA - Delaware River, Morrisville, near railroad bridge.
    PA - Biles Creek, Biles Island, near upper end of Biles Island in Biles Creek.
    PA - Neshaminy Creek, above Hulmeville Rd. (Rt. 513) Hulmeville.
    PA - Delaware River, 0.5 km above mouth of Poquessing Creek, Andalusia.
    PA - Delaware River, small bay at NE end of Franklin Cove, Tulleytown.
    PA - Spring Mount, pond at base of ski slope.
    PA - Pennypack Creek, between Frankfort and Torresdale Avenues, Holmesburg.
    PA - Schuylkill River, west side, just above the Fairmount Dam.
    PA - Thompson Bay, along north shore, Presque Isle State Park.
    PA - Edinboro Lake, SE shore just W of Rt 99, Washington Township
    PA - Ridge Valley Creek, behind the dam, Ridge Valley.
    PA - Beaver Creek, 0.45 mi NE of Ottsville.
    PA - Harveys Lake
    PA - Presque Isle State Park, 176 deg and 1.63 mi from Perry Monument.
    PA - Big Pond, Presque Isle State Park, Mill Creek Township
    PA - Misery Bay, Presque Isle State Park.
    PA - Presque Isle
    PA - Simpson Pond, Simpson Hollow, on PA 819 S, Armbrust.
    PA - Churchville Reservoir.

Najas minor

    PA - Butler Reservoir, 5 mi N of Butler
    PA - Williamstown, 0.37 mi WSW
    PA - Schellsburg, .75 mi S
    PA - Centerville, 3.37 mi S
    PA - Virgin Run Lake, ca .25 mi NE Flatwoods, Twp Rd 701
    PA - Keystone State Park, Keystone Lake, ca 3.2 mi SSE of New Alexandria
    PA - Stoughton Lake, ca 0.5 mi NE Jennerstown, on Co Rd 317
    PA - Somerset Lake, ca 1.7 mi NEN Somerset, on Co Rds 66164/66165
    PA - Jennerstown, .25 mi ENE of Stoughton Lake
    PA - Ethel Springs Lake, Derry, on NW boro limits
    PA - Beaver Run Reservoir, ca 3.0 mi W Slickville, on ST rt 380
    PA - Pymatuning Swamp, Pymatuning State Park
    PA - Lake Galena
    PA - Canoe Lake, ca 0.7 mi N of Canoe Creek, Canoe Creek State Park
    PA - Presque Isle State Park, Thompson Bay
    PA - Edinboro Lake
    PA - Conneaut Lake, West side
    PA - Pymatuning State Park, W of Ackerman Island
    PA - Green Lane, Upper Perkiomen County Park
    PA - Lake Galena, along S shore
    PA - Presque Isle State Park, Big Pond; 298 deg & 0.45 mi from Perry Monument
    PA - Romansville, 1 mi ESE, W of Broad Run Rd., 0.2 mi N of Rt 162

Nasturtium officinale

    PA - Mountain Top
    PA - Troy, 4 mi SW
    PA - Chestnut orchard
    PA - Smiths Corner
    PA - Reed Station
    PA - Easton, College Hill
    PA - Avonmore
    PA - Birmingham, springs
    PA - Shamokin Dam, to Richfield
    PA - Tyrone, E
    PA - Meadville, near state road
    PA - Plain Grove
    PA - near Chester
    PA - near East Stroudsburg
    PA - Philadelphia
    PA - Hartstown vicinity
    PA - along Lake Erie, near North Girard
    PA - Linesville, along stream
    PA - Pymatuning Swamp, Linesville
    PA - Pymatuning Swamp, Linesville
    PA - Huffs field, NE Greensburg
    PA - Pike Run, HH Laughlin woods, upper
    PA - 0.75 mi NW Elverson
    PA - Loysburg, 1.25 mi SW
    PA - 1.5 mi NE Bernharts
    PA - Seven Springs in state game lands 33, 4 mi SE Philipsburg
    PA - Coudersport, Eulalia Twp
    PA - Ashcom, 0.62 mi SW
    PA - off Rt 208, 0.5 mi S Schollard
    PA - Clinton area,N of Rt 30, 3.5 mi W of Clinton
    PA - Mercer Park, 0.5 mi SW Mercer
    PA - Boiling Spring, 1.5 mi N Coles
    PA - Raccoon Creek, tributary, 3.5 mi W Clinton
    PA - Wattsburg near
    PA - Mercer Park
    PA - along Muddy Creek Isle
    PA - Hydetown, along Rt 8, 0.5 mi N
    PA - near DeYoung
    PA - Nicktown, 1 mi NE
    PA - Wills Creek, 3.75 mi S Hyndman
    PA - Bedford Springs
    PA - Washigton, 2.5 mi from Co fairgrounds near Meadow Lands
    PA - Toby Run and Clarion River,junction Carman
    PA - Rockdale Center, opposite school
    PA - Hockenberry Farm, 4 mi NW West Sunbury
    PA - Tonoloway Creek, 0.8 mi SE Warfordsburg
    PA - Sylvan, along Rt 456
    PA - Monongahela 1 mi W along Rt 31
    PA - Little Connoquenessing Creek at Mulligan Run, 8 mi SW Butler
    PA - State College, Millbrook, N edge
    PA - Kane, 4 mi S
    PA - Mill Creek, 0.5-1 mi SW Utica
    PA - Corry, 0.5-1 mi W
    PA - fish hatchery, Union City
    PA - Drake, 0.5-1 mi WNW
    PA - Kilbuck Township, along Toms Run
    PA - Martindale, Rt 164
    PA - 500 ft N of bridge on Indian Rock Dam Rd., York
    PA - Saegertown on Rt 198, 1.8 mi E
    PA - Halsey, along Rt 219, 1.5 mi S
    PA - Coburn, 1.3 mi SSE
    PA - Mountain Club Pond, ca 3 mi SSE Champion
    PA - Simpson Pond, in Simpson Hollow on HWY 819S, 1 mi S Armbruston
    PA - Luzerne County
    PA - Pleasant Grove, on Rd 64077, ca 6 km SSE Pleasant Grove
    PA - Tamarack Lake,near edge, ca 4 mi SE Meadville
    PA - Henrietta
    PA - Clover Creek adjacent, Henrietta
    PA - Powdermill Nature Reserve
    PA - Somerset, along edge of Lake Somerset
    PA - Hermitage Township, SE of junction, Rt 718 and Orangeville Rd
    PA - State Game Lands Number 284, along Rt 208, 0.5 mi E of int Rts 19 and 208
    PA - Leesburg, 0.5 mi E of jct US 19 and PA 208
    PA - 3.7 km ESE Majorsville on WV border
    PA - Birmingham, 1.2 mi SSE
    PA - Powdermill Nature Reserve
    PA - Penn Forest Reservoir, 2.5 mi WSW Jonas
    PA - Hamilton Township, NW end of bridge over Kinzua Bay
    PA - Ludlow, 4.5 mi NE on the E side of Rt 321
    PA - Union City, 0.1 mi N rt 6; 60 deg & 1.4 mi from Rt 6 over S branch Fren

Nymphoides peltata

    PA - State Game lands Number 12, 1.5 mi NNE of Wheelerville

Potamogeton crispus

    PA - Conestoga River
    PA - Juniata River, Lewiston
    PA - Schellsburg, 0.75 mi S
    PA - Piney Creek, ca 0.2 mi N Wertz
    PA - Wertz, 0.2 mi N
    PA - Canoe Lake, 0.3 mi NNW of Canoe Creek
    PA - Raystown Branch Juniata River, S of Rt 30 and 5 mi NW of tpk
    PA - Erie, public docks
    PA - Presque Isle, in Lake Erie
    PA - Presque Isle, Long Pond
    PA - Hartstown vicinity
    PA - Linesville, Pymatuning Swamp
    PA - Mouth of Elk Creek, Girard
    PA - mouth Elk Creek
    PA - Butler Reservoir, rt 38, NE Butler
    PA - Alum Bank, fish hatchery, 1.5 mi SE
    PA - Yardley, edge of Delaware River
    PA - Canadohta Lake
    PA - Fish hatchery outlet, on Rt 6, 1 mi E Union City
    PA - Twelvemile Island, Allegheny River near Lock and Dam No 3
    PA - Virgin Run Lake, on twp rd 701, about 0.25 mi NE of Flatwoods
    PA - Bridgeport Dam, ca 0.5 mi SSE Bridgeport
    PA - Kooser State Park, on Koring Rd., ca 1 mi NW of Bakersville
    PA - Allegheny River at foot of Mead Island, 3 mi W of Warren
    PA - Pymatuning Swamp, 0.4 mi S of Rt 285 and E of Towpath
    PA - Conneauttee Creek, 0.1 mi E of rt 99
    PA - French Creek, 0.9 mi S of Rt 198 bridge,Saegertown,
    PA - Conneaut Lake, W side
    PA - State Game Lands Number 213, 325 deg and 2.9 mi from int Rts 285 and 19
    PA - Little Tinicum Island, along N side: about half way from each end of the island
    PA - Aquetong Lake
    PA - Strawntown, 0.5 mi W, pond S of Strawntown Rd
    PA - Presque Isle State Park, Misery Bay

Trapa natans

    PA - Lower Paxton Township, pond at 6780 Hickory Lane near Deaven Rd
    PA - Bradford Reservoir, 1.35 mi WNW Neshaminy
    PA - Maskenozha Lake

Veronica beccabunga

    PA - 2 mi above Easton
    PA - 2 mi above Easton
    PA - Brownsburg, ESE, along the Delaware River
    PA - 0.5 mi SE Center Bridge, along the Delaware River
    PA - Yardley, NW shore of Delaware River
    PA - Washington Crossing, NW shore of Delaware River
    PA - 0.5-0.75 mi SE Coffeetown
    PA - Presque Isle State Park
    PA - Riegelsville, shore of Delaware River below bridge


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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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/18/2019].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.