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Maryland Checklist - Order: Najadales - all-time (Total: 23)
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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
Widgeon-grass
Ruppia
maritima
54
Ditch-grass Family
Ruppiaceae
Najadales
Magnoliopsida
Plantae
1
Seawrack
Zostera
marina
var.
stenophylla
8
Eel-grass Family
Zosteraceae
Najadales
Magnoliopsida
Plantae
1
Spiral Pondweed
Potamogeton
spirillus
12
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
2
Sago Pondweed
Stuckenia
pectinata
16
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
3
Variableleaf Pondweed
Potamogeton
gramineus
2
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
4
Vasey's Pondweed
Potamogeton
vaseyi
1
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
5
Curly Pondweed
Potamogeton
crispus
60
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
6
Ribbon-leaved Pondweed
Potamogeton
epihydrus
34
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
7
Illinois Pondweed
Potamogeton
illinoensis
15
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
8
Long-leaved Pondweed
Potamogeton
nodosus
33
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
9
Spotted Pondweed
Potamogeton
pulcher
9
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
10
Robbins's Pondweed
Potamogeton
robbinsii
4
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
11
Flatstem Pondweed
Potamogeton
zosteriformis
2
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
12
Large-leaved Pondweed
Potamogeton
amplifolius
12
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
13
Snailseed Pondweed
Potamogeton
bicupulatus
1
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
14
Waterthread Pondweed
Potamogeton
diversifolius
54
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
15
Small Pondweed (tenuissimus)
Potamogeton
pusillus
ssp.
tenuissimus
0
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
16
Leafy Pondweed
Potamogeton
foliosus
22
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
17
Small Pondweed
Potamogeton
pusillus
16
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
18
Floating Pondweed
Potamogeton
natans
4
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
19
Horned Pondweed
Zannichellia
palustris
14
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
20
Claspingleaf Pondweed
Potamogeton
perfoliatus
60
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
21
Small Pondweed (pusillus)
Potamogeton
pusillus
ssp.
pusillus
7
Pondweed Family
Potamogetonaceae
Najadales
Magnoliopsida
Plantae
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