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Maryland Checklist - Genus: Polygonum - all-time (Total: 8)
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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
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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
Prostrate Knotweed
Polygonum
aviculare
100
Buckwheat Family
Polygonaceae
Caryophyllales
Magnoliopsida
Plantae
2
Seaside Knotweed
Polygonum
glaucum
9
Buckwheat Family
Polygonaceae
Caryophyllales
Magnoliopsida
Plantae
3
Pleat-leaved Knotweed
Polygonum
tenue
40
Buckwheat Family
Polygonaceae
Caryophyllales
Magnoliopsida
Plantae
4
Douglas's Knotweed
Polygonum
douglasii
1
Buckwheat Family
Polygonaceae
Caryophyllales
Magnoliopsida
Plantae
5
Erect Knotweed
Polygonum
erectum
21
Buckwheat Family
Polygonaceae
Caryophyllales
Magnoliopsida
Plantae
6
Bushy Knotweed
Polygonum
ramosissimum
16
Buckwheat Family
Polygonaceae
Caryophyllales
Magnoliopsida
Plantae
7
Bellard's Knotweed
Polygonum
bellardii
0
Buckwheat Family
Polygonaceae
Caryophyllales
Magnoliopsida
Plantae
8
Proliferous Knotweed
Polygonum
prolificum
0
Buckwheat Family
Polygonaceae
Caryophyllales
Magnoliopsida
Plantae
View Hidden Taxa
