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Maryland Checklist - Category: Yam Family - all-time (Total: 2)
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Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
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Endangered (MD)
\n
Excluded
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Exotic
\n
Extinct
\n
Extirpated
\n
Extralimital
\n
G1 (Highly globally rare)
\n
G1G2 (Highly globally rare)
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G2 (Globally rare)
\n
G2G3 (Globally rare)
\n
G3 (Globally rare/local)
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G3G4 (Globally vulnerable)
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G4
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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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Hybrid
\n
In need of conservation
\n
Invasive
\n
Nativity Uncertain
\n
Non-native
\n
Reviewable (MD/DCRC)
\n
S1 (Highly state rare)
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S1B (Highly state rare breeder)
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S1M (State rare migrant)
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S1N (State rare non-breeder)
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S1S2 (Highly state rare)
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S1S2B (State rare breeder)
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S2 (State rare)
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S2B (State rare breeder)
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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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Threatened (Federal)
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Threatened (MD)
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Undescribed
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Vulnerable
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Waif
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Western MD only
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Worcester only
\n
Photos
Common Name
Genus
Species
Records
Category
Family
Order
Class
Kingdom
1
Wild Yam
Dioscorea
villosa
519
Yam Family
Dioscoreaceae
Liliales
Magnoliopsida
Plantae
2
Chinese Yam
Dioscorea
polystachya
104
Yam Family
Dioscoreaceae
Liliales
Magnoliopsida
Plantae
