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Adventive
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Coastal Plain only
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Endangered (Federal)
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Endangered (MD)
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Excluded
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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)
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G4
\n
G4G5
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G5
\n
Garrett only
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GH (No known extant occurrences)
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GU (Global status uncertain)
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In need of conservation
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\n
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\n
Non-native
\n
Reviewable (MD/DCRC)
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S1 (Highly state rare)
\n
S1B (Highly state rare breeder)
\n
S1M (State rare migrant)
\n
S1N (State rare non-breeder)
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S1S2 (Highly state rare)
\n
S1S2B (State rare breeder)
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S2 (State rare)
\n
S2B (State rare breeder)
\n
S2B (State rare breeder)
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S2S3 (State rare)
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S2S3B (State rare breeder)
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S3 (Watch list)
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S3B (State watchlist breeder)
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S3S4
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S3S4B (State watchlist breeder)
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S4SE
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SH (Historical)
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SHB (State historical breeder)
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SR (State rare)
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Status Uncertain
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SUB (Status uncertain breeder)
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SXB (State extirpated breeder)
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SXM (State extirpated migrant)
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Undescribed
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Western MD only
\n
Worcester only
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Photos
Common Name
Genus
Species
Records
Category
Family
Order
Class
Kingdom
1
Green Hydra
Chlorohydra
viridissima
3
Hydrozoans
Hydridae
Anthoathecatae
Hydrozoa
Animalia
