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Species
1 Schoolhouse Pond
235
2 Beltsville Agricultural Research Center
228
3 Merkle Wildlife Sanctuary
223
4 Patuxent River Park--Jackson Landing
222
5 Patuxent Research Refuge--South Tract (National Wildlife Visitor Center)
220
6 Piscataway Park--Boardwalk
218
7 Patuxent River Park--Selby's Landing
214
8 Lake Artemesia
211
9 Governor Bridge Natural Area
206
10 Patuxent River Park
205
11 Patuxent River Park--Mt. Calvert
192
12 Oxon Hill Farm
188
13 Piscataway Park--Hard Bargain Farm
187
14 Fort Washington National Park
182
15 Greenbelt Lake - Buddy Attick Lake Park
181
16 Patuxent River Park--Aquasco Farm
174
17 National Colonial Farm
173
18 Merkle Wildlife Sanctuary--Critical Area Driving Tour
172
19 Merkle Wildlife Sanctuary--Frank Oslislo Visitors Center
169
20 Piscataway Park
169
21 Bladensburg Waterfront Park
167
22 Merkle WMA--Mattaponi Creek area
166
23 Milltown Landing
166
24 Fran Uhler Natural Area
164
25 Anacostia River Trail (PG Co.)
160
26 Brown Station Rd. Landfill (restricted access)
159
27 Paint Branch Trail (Prince George's County)
159
28 Colmar Manor Park
153
29 Rocky Gorge Reservoir--Supplee Park
147
30 Piscataway Creek--Wharf Rd.
146
31 Patuxent River Park--Croom Airport
143
32 Saddlebrook East Community Park
140
33 WB&A Trail--Horsepen Branch (PG Co.)
135
34 Northampton Lake
133
35 Depot Pond - West
130
36 North Piscataway Park
130
37 Greenbelt Park
128
38 Aragona Blvd. Retention Pond
124
39 Brown Station Road Recycle Pond
121
40 Konterra Drive fields and ponds (private property, restricted access)
118
41 Depot Pond - East
116
42 Piscataway Creek
114
43 Fairland Regional Park (PG Co.)
113
44 WB&A Trail--Old Pond Dr.
111
45 Patuxent River Park--Cedarhaven
110
46 Louise F. Cosca Regional Park
108
47 White Marsh Park
108
48 National Harbor
106
49 Northway Fields Park
105
50 Fort Foote Park
104
51 Mellwood Road old fields
104
52 Rocky Gorge Reservoir--T. Howard Duckett Dam (PG County)
104
53 Patuxent River Park--Clyde Watson Boat Ramp
101
54 Marlborough Wetland
100
55 Wilson Bridge (Prince George's Co.)
100
56 Greenbelt Community Garden, Hamilton Place
97
57 Laurel Riverfront Park
95
58 Laurel Lake/Granville Gude Park
91
59 Montpelier Mansion, Laurel
85
60 Ora Glen Stormwater Pond
85
61 Cheltenham Wetlands Park
83
62 Eagle Harbor
81
63 Piscataway MOS Sanctuary
81
64 Watkins Regional Park
81
65 Ikea Wetlands
80
66 Rosaryville State Park
78
67 National Archives at College Park - Jogging Trail
76
68 Patuxent River Scenic Trail at Queen Anne
75
69 Alter Pond at Soil Conservation Rd.
73
70 College Park--Cherry Hill Road Community Park
71
71 Bowie Town Center Pond
70
72 Allen Pond Park
69
73 Cedarville State Forest (Prince George's Co.)
69
74 Greenbelt Community Garden - Henry's Hollow
69
75 Swanson Road Natural Area
69
76 Suitland Bog
67
77 Aquasco Farm Road
66
78 University of Maryland--McKeldin Mall
63
79 University of Maryland--XFINITY Center meadow
63
80 WB&A Trail--Electric Ave. Pond
62
81 Bowen WMA
61
82 Patuxent River Park--Nottingham
60
83 Heurich Park
59
84 Northwest Branch, Anacostia River
58
85 Cherry Hill Park (PG Co.)
56
86 Maryland National Memorial Park
56
87 North Keys Park
56
88 Merkle Wildlife Sanctuary--Mounds Trail
52
89 Avondale Neighborhood Park
51
90 Accokeek Foundation grounds
48
91 University of Maryland--Technology Dr. marsh
46
92 Paint Branch Stream Valley Park
44
93 GW Parkway South (MD waters)
42
94 Woodward Pond
38
95 Riderwood Village (restricted access)
36
96 Folly Branch Park
34
97 Little Paint Branch Trail
34
98 Magruder Park and environs
28
99 Riverside Park (MD waters)
27
100 The Village at Victoria Falls
23