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Maryland Checklist - Genus: Pisidium - all-time (Total: 12)
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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
Ubiquitous Peaclam
Pisidium
casertanum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
2
Greater Eastern Peaclam
Pisidium
dubium
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
3
River Peaclam
Pisidium
fallax
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
4
Lilljeborg Peaclam
Pisidium
lilljeborgi
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
5
Perforated Peaclam
Pisidium
punctatum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
6
Walker Peaclam
Pisidium
walkeri
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
7
Adam Peaclam
Pisidium
adamsi
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
8
Ridged-beak Peaclam
Pisidium
compressum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
9
Round Peaclam
Pisidium
equilaterale
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
10
Rusty Peaclam
Pisidium
ferrugineum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
11
Shiny Peaclam
Pisidium
nitidum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
12
Triangular Peaclam
Pisidium
variable
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
