Home
Vertebrates
All
Amphibians
Birds
Fish
Mammals
Reptiles
Reptiles and Amphibians
Sharks and Rays
Insects
All
Ants
Beetles
Bees
Butterflies
Cicadas
Damselflies
Dragonflies
Dragonflies and Damselflies
Fleas
Flies (Diptera)
Grasshoppers and Crickets
Hornets and Wasps
Katydids
Mosquitoes
Moths
Planthoppers
Robber Flies
Sawflies, Horntails, Wood Wasps
Scale Insects
Stoneflies
Tiger Beetles
Treehoppers
True Bugs (Hemiptera)
Other Invertebrates
Amphipods
Bivalves - Freshwater
Bivalves - Saltwater
Crabs, Lobsters, and Shrimp
Crayfish
Earthworms
Gastropods
Harvestmen
Isopods
Jellyfish
Nematodes
Proturans
Sea Urchins
Spiders
Springtails
Ticks
Plants
Browse by family
Aster Family
Bryophytes
Carnivorous Plants
Clubmosses, Quillworts, Spikemosses
Ferns
Grasses
Iris Family
Milkweed Family
Mosses
Orchids
Pea Family
Rose Family
Sedges and Rushes
Fungi/Other
Algae - Freshwater
Algae - Marine Macroalgae
Algae - Marine Microalgae
Fungi - All
Fungi - Browse by family
Fungi - Ascomycota
Fungi - Basidiomycota
Lichens
Slime Molds
Explore
Bibliography
Maryland Quad Map
Maryland Quad Heat Map
Top 100 Contributors by Species
Top 100 Contributors by Species (2024)
Top 100 Contributors by Records
Recent Discoveries (this month)
iNaturalist Integration Summary
MBP Brochure
Partnerships
Editors
Photographers
Get Involved
FAQs
About Records
Dedication
Links
MBP on Facebook
MBP on Twitter
MBP on Instagram
MBP project at iNaturalist
Share photos on Flickr
MBP Google Group
Maryland Plant Atlas
MD/DCRC Resources
Stewart and Robbins (1958)
eBird
Sites
Andelot Farm
Chino Farms
Dans Rock Bird Count
Fort Smallwood Park
Horn Point Laboratory
Howard County Conservancy
Jemicy School
Rocky Gap State Park
Turkey Point Bird Count
Weinberg Park
Maryland Checklist - Genus: Potamogeton - all-time (Total: 19)
Filter by tag...
Show All
Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
\n
Endangered (MD)
\n
Excluded
\n
Exotic
\n
Extinct
\n
Extirpated
\n
Extralimital
\n
G1 (Highly globally rare)
\n
G1G2 (Highly globally rare)
\n
G2 (Globally rare)
\n
G2G3 (Globally rare)
\n
G3 (Globally rare/local)
\n
G3G4 (Globally vulnerable)
\n
G4
\n
G4G5
\n
G5
\n
Garrett only
\n
GH (No known extant occurrences)
\n
GU (Global status uncertain)
\n
Hybrid
\n
In need of conservation
\n
Invasive
\n
Nativity Uncertain
\n
Non-native
\n
Reviewable (MD/DCRC)
\n
S1 (Highly state rare)
\n
S1B (Highly state rare breeder)
\n
S1M (State rare migrant)
\n
S1N (State rare non-breeder)
\n
S1S2 (Highly state rare)
\n
S1S2B (State rare breeder)
\n
S2 (State rare)
\n
S2B (State rare breeder)
\n
S2B (State rare breeder)
\n
S2S3 (State rare)
\n
S2S3B (State rare breeder)
\n
S3 (Watch list)
\n
S3B (State watchlist breeder)
\n
S3S4
\n
S3S4B (State watchlist breeder)
\n
S4SE
\n
SH (Historical)
\n
SHB (State historical breeder)
\n
SR (State rare)
\n
Status Uncertain
\n
SUB (Status uncertain breeder)
\n
SXB (State extirpated breeder)
\n
SXM (State extirpated migrant)
\n
Threatened (Federal)
\n
Threatened (MD)
\n
Undescribed
\n
Vulnerable
\n
Waif
\n
Western MD only
\n
Worcester only
\n
Photos
Common Name
Genus
Species
Records
Category
Family
Order
Class
Kingdom
1
Floating Pondweed
Potamogeton
natans
4
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
2
Large-leaved Pondweed
Potamogeton
amplifolius
11
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
3
Claspingleaf Pondweed
Potamogeton
perfoliatus
60
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
4
Waterthread Pondweed
Potamogeton
diversifolius
51
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
5
Small Pondweed (pusillus)
Potamogeton
pusillus
ssp.
pusillus
7
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
6
Spiral Pondweed
Potamogeton
spirillus
12
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
7
Snailseed Pondweed
Potamogeton
bicupulatus
1
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
8
Small Pondweed (tenuissimus)
Potamogeton
pusillus
ssp.
tenuissimus
0
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
9
Small Pondweed
Potamogeton
pusillus
16
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
10
Illinois Pondweed
Potamogeton
illinoensis
15
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
11
Long-leaved Pondweed
Potamogeton
nodosus
33
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
12
Curly Pondweed
Potamogeton
crispus
58
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
13
Spotted Pondweed
Potamogeton
pulcher
9
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
14
Ribbon-leaved Pondweed
Potamogeton
epihydrus
32
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
15
Robbins's Pondweed
Potamogeton
robbinsii
4
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
16
Flatstem Pondweed
Potamogeton
zosteriformis
2
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
17
Variableleaf Pondweed
Potamogeton
gramineus
2
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
18
Vasey's Pondweed
Potamogeton
vaseyi
1
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
19
Leafy Pondweed
Potamogeton
foliosus
22
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
View Hidden Taxa
