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Maryland Checklist - Category: Horsetail Family - all-time (Total: 4)
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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)
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SXM (State extirpated migrant)
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Threatened (Federal)
\n
Threatened (MD)
\n
Undescribed
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Vulnerable
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Waif
\n
Western MD only
\n
Worcester only
\n
Photos
Common Name
Genus
Species
Records
Category
Family
Order
Class
Kingdom
1
Field Horsetail
Equisetum
arvense
326
Horsetail Family
Equisetaceae
Equisetales
Equisetopsida
Plantae
2
Common Scouring Rush
Equisetum
hyemale
ssp.
affine
122
Horsetail Family
Equisetaceae
Equisetales
Equisetopsida
Plantae
3
Water Horsetail
Equisetum
fluviatile
19
Horsetail Family
Equisetaceae
Equisetales
Equisetopsida
Plantae
4
Woodland Horsetail
Equisetum
sylvaticum
8
Horsetail Family
Equisetaceae
Equisetales
Equisetopsida
Plantae
