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Western Gulf Coastal Plain

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Map Legend & Subregion List

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NameColor on MapEPA Code‡
Northern Humid Gulf Coastal Prairies34a
Southern Subhumid Gulf Coastal Prairies34b
Floodplains and Low Terraces34c
Coastal Sand Plain34d
Lower Rio Grande Valley34e
Lower Rio Grande Alluvial Floodplain34f
Texas-Louisiana Coastal Marshes34g
Mid-Coast Barrier Islands and Coastal Marshes34h
Laguna Madre Barrier Islands and Coastal Marshes34i
Lafayette Loess Plains34j

† Status: ✓ = Complete ○ = Needs Image … = Incomplete ∅ = Stub Only

This code refers to the US EPA's Level 4 ecoregion codes for the continental U.S., see here.


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Plant Lists & In-Region Search

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Warning! This region extends outside the continental US. We have only built range maps for the portion of plant ranges in the continental US; these lists and searches may thus have major omissions for species which only occur in the portion of this region outside the continental US.